20177591620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21465523}}^1$

素因数の和:21465579

約数の個数: 24

約数和(自身を含む): 43274496384

約数和(自身を除く): 23096904764

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21465523, 42931046, 85862092, 107327615, 214655230, 429310460, 1008879581, 2017759162, 4035518324, 5044397905, 10088795810, 20177591620]

約数ペア:

[(1, 20177591620), (2, 10088795810), (4, 5044397905), (5, 4035518324), (10, 2017759162), (20, 1008879581), (47, 429310460), (94, 214655230), (188, 107327615), (235, 85862092), (470, 42931046), (940, 21465523)]