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#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
ifstream fin("sum.in");
ofstream fout("sum.out");
const int VMAX=100'001;
int e[VMAX];
void ciur() {
for (int i=0; i<VMAX; ++i) e[i] = i;
for (int i=2; i<VMAX; ++i) {
if (i==e[i]) {
for (int j=i; j<VMAX; j+=i) e[j] -= e[j]/i;
}
}
}
int main() {
int n;
fin>>n;
ciur();
while (n--) {
long long x;
fin>>x;
fout<<2*e[x]*x<<endl;
}
}