20509726

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{601}}^1$

素因数の和:867

約数の個数: 16

約数和(自身を含む): 31294368

約数和(自身を除く): 10784642

約数列:

[1, 2, 113, 151, 226, 302, 601, 1202, 17063, 34126, 67913, 90751, 135826, 181502, 10254863, 20509726]

約数ペア:

[(1, 20509726), (2, 10254863), (113, 181502), (151, 135826), (226, 90751), (302, 67913), (601, 34126), (1202, 17063)]