20199031870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{33113167}}^1$

素因数の和:33113235

約数の個数: 16

約数和(自身を含む): 36954295488

約数和(自身を除く): 16755263618

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 33113167, 66226334, 165565835, 331131670, 2019903187, 4039806374, 10099515935, 20199031870]

約数ペア:

[(1, 20199031870), (2, 10099515935), (5, 4039806374), (10, 2019903187), (61, 331131670), (122, 165565835), (305, 66226334), (610, 33113167)]