19655620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{33889}}^1$

素因数の和:33927

約数の個数: 24

約数和(自身を含む): 42701400

約数和(自身を除く): 23045780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 33889, 67778, 135556, 169445, 338890, 677780, 982781, 1965562, 3931124, 4913905, 9827810, 19655620]

約数ペア:

[(1, 19655620), (2, 9827810), (4, 4913905), (5, 3931124), (10, 1965562), (20, 982781), (29, 677780), (58, 338890), (116, 169445), (145, 135556), (290, 67778), (580, 33889)]