20009420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34499}}^1$

素因数の和:34537

約数の個数: 24

約数和(自身を含む): 43470000

約数和(自身を除く): 23460580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34499, 68998, 137996, 172495, 344990, 689980, 1000471, 2000942, 4001884, 5002355, 10004710, 20009420]

約数ペア:

[(1, 20009420), (2, 10004710), (4, 5002355), (5, 4001884), (10, 2000942), (20, 1000471), (29, 689980), (58, 344990), (116, 172495), (145, 137996), (290, 68998), (580, 34499)]