#include <stdio.h>
#define VM 100100
int e[VM];
int main(){
    FILE *fin, *fout;
    int n, x, i, j;
    long long s;
    fin=fopen("sum.in", "r");
    fscanf(fin, "%d", &n);
    fout=fopen("sum.out", "w");
    for(i=2; i<=VM; i++)
      e[i]=i;
    for(i=2; i<=VM; i++)
      if(e[i]==i)
        for(j=i; j<=VM; j+=i)
          e[j]=e[j]/i*(i-1);
    for(i=0; i<n; i++){
      fscanf(fin, "%d", x);
      s=2LL*e[x]*x;
      fprintf(fout, "%lld\n", s);
    }
    fclose(fin);
    fclose(fout);
    return 0;
}