20013740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24407}}^1$

素因数の和:24457

約数の個数: 24

約数和(自身を含む): 43055712

約数和(自身を除く): 23041972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24407, 48814, 97628, 122035, 244070, 488140, 1000687, 2001374, 4002748, 5003435, 10006870, 20013740]

約数ペア:

[(1, 20013740), (2, 10006870), (4, 5003435), (5, 4002748), (10, 2001374), (20, 1000687), (41, 488140), (82, 244070), (164, 122035), (205, 97628), (410, 48814), (820, 24407)]