20172571670

素因数分解:

$2^1\times 5^1\times {\mathrm{247001}}^1\times {\mathrm{8167}}^1$

素因数の和:255175

約数の個数: 16

約数和(自身を含む): 36315222048

約数和(自身を除く): 16142650378

約数列:

[1, 2, 5, 10, 8167, 16334, 40835, 81670, 247001, 494002, 1235005, 2470010, 2017257167, 4034514334, 10086285835, 20172571670]

約数ペア:

[(1, 20172571670), (2, 10086285835), (5, 4034514334), (10, 2017257167), (8167, 2470010), (16334, 1235005), (40835, 494002), (81670, 247001)]