What is the sum of the divisors of different prime numbers of the number 20 16?
The explanation is as follows:
Prime number = prime number, prime number (among natural numbers greater than 1, there are no other factors except 1 and itself)
Distinct =？ different
Divider = divisor
The expression of division in English is as follows:
divisor
Expand:
The solution of this problem: 20 16 = 2 5 * 3 2 * 7. So 20 16 has three prime numbers, 2, 3 and 7 respectively. So the total is 12.