20179918945

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{320647}}^1$

素因数の和:321000

約数の個数: 16

約数和(自身を含む): 24887415168

約数和(自身を除く): 4707496223

約数列:

[1, 5, 41, 205, 307, 1535, 12587, 62935, 320647, 1603235, 13146527, 65732635, 98438629, 492193145, 4035983789, 20179918945]

約数ペア:

[(1, 20179918945), (5, 4035983789), (41, 492193145), (205, 98438629), (307, 65732635), (1535, 13146527), (12587, 1603235), (62935, 320647)]