20967580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36151}}^1$

素因数の和:36189

約数の個数: 24

約数和(自身を含む): 45551520

約数和(自身を除く): 24583940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36151, 72302, 144604, 180755, 361510, 723020, 1048379, 2096758, 4193516, 5241895, 10483790, 20967580]

約数ペア:

[(1, 20967580), (2, 10483790), (4, 5241895), (5, 4193516), (10, 2096758), (20, 1048379), (29, 723020), (58, 361510), (116, 180755), (145, 144604), (290, 72302), (580, 36151)]