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