20325988

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 36226008

約数和(自身を除く): 15900020

約数列:

[1, 2, 4, 113, 193, 226, 233, 386, 452, 466, 772, 932, 21809, 26329, 43618, 44969, 52658, 87236, 89938, 105316, 179876, 5081497, 10162994, 20325988]

約数ペア:

[(1, 20325988), (2, 10162994), (4, 5081497), (113, 179876), (193, 105316), (226, 89938), (233, 87236), (386, 52658), (452, 44969), (466, 43618), (772, 26329), (932, 21809)]