#include <cstdio>
using namespace std;
const int N=200000;
long long e[N+1];
FILE *fin,*fout;
int main()
{       fin=fopen("sum.in","r");
        fout=fopen("sum.out","w");
    int t,n,i,j;
    fscanf(fin,"%d",&t);
    for(i=1; i<=N; i++)
        e[i]=i;
    for(i=2; i<=N; i++)
        if(e[i]==i)
            for(j=i; j<=N; j+=i)
                e[j]=e[j]/i*(i-1);

                for(i=1;i<=t;i++)
                {
                 fscanf(fin,"%d",&n);
                 if(n%2==0)
                 fprintf(fout,"%lld\n",e[n*2]*n);
                 else
                 fprintf(fout,"%lld\n",e[n*2]*n*2);
                }
    return 0;
}