#include <cstdio>
#define N 100009
int main()
{long long int phi[100109],n,k,i,j;

 freopen("sum.in","r",stdin);
 freopen("sum.out","w",stdout);
 
 for (int i=1;i<=N;i++) phi[i]=i;

for (int i=2;i<=N;i++)
   if (phi[i]==i)
      for (j=i;j<=N;j+=i) phi[j] /=i, phi[j] *= (i-1);
 
 scanf("%lld",&k);
 for (;k;--k)
 {
 
 scanf("%lld",&n);
 


   
printf("%lld\n",phi[n]*2*n);
 }
	  return 0;}