20097580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34651}}^1$

素因数の和:34689

約数の個数: 24

約数和(自身を含む): 43661520

約数和(自身を除く): 23563940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34651, 69302, 138604, 173255, 346510, 693020, 1004879, 2009758, 4019516, 5024395, 10048790, 20097580]

約数ペア:

[(1, 20097580), (2, 10048790), (4, 5024395), (5, 4019516), (10, 2009758), (20, 1004879), (29, 693020), (58, 346510), (116, 173255), (145, 138604), (290, 69302), (580, 34651)]