#include<stdio.h>
FILE*fin,*fout;
int e[100001],i,j,nr,x;
long long s;
int main()
{
    fin=fopen("sum.in","r");
    fout=fopen("sum.out","w");
    fscanf(fin,"%d",&nr);
    for(i=2;i<=100000;i++)
        e[i]=i;
    for(i=2;i<=100000;i++)
    {
        if(e[i]==i)
        {
            for(j=i;j<=100000;j+=i)
                e[j]=e[j]/i*(i-1);
        }
    }
    for(i=0;i<nr;i++)
    {
        fscanf(fin,"%d",&x);
        s=(long long)(e[x]*2*x);
        fprintf(fout,"%lld\n",s);

    }
    fclose(fin);
    fclose(fout);
    return 0;
}