20173420180

素因数分解:

$2^2\times 5^1\times {\mathrm{1008671009}}^1$

素因数の和:1008671018

約数の個数: 12

約数和(自身を含む): 42364182420

約数和(自身を除く): 22190762240

約数列:

[1, 2, 4, 5, 10, 20, 1008671009, 2017342018, 4034684036, 5043355045, 10086710090, 20173420180]

約数ペア:

[(1, 20173420180), (2, 10086710090), (4, 5043355045), (5, 4034684036), (10, 2017342018), (20, 1008671009)]