20165929

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 23748480

約数和(自身を除く): 3582551

約数列:

[1, 7, 61, 83, 427, 569, 581, 3983, 5063, 34709, 35441, 47227, 242963, 330589, 2880847, 20165929]

約数ペア:

[(1, 20165929), (7, 2880847), (61, 330589), (83, 242963), (427, 47227), (569, 35441), (581, 34709), (3983, 5063)]