23115580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67987}}^1$

素因数の和:68013

約数の個数: 24

約数和(自身を含む): 51398928

約数和(自身を除く): 28283348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 67987, 135974, 271948, 339935, 679870, 1155779, 1359740, 2311558, 4623116, 5778895, 11557790, 23115580]

約数ペア:

[(1, 23115580), (2, 11557790), (4, 5778895), (5, 4623116), (10, 2311558), (17, 1359740), (20, 1155779), (34, 679870), (68, 339935), (85, 271948), (170, 135974), (340, 67987)]