20323818

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2309}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 45460800

約数和(自身を除く): 25136982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2309, 2934, 4401, 4618, 6927, 8802, 13854, 20781, 41562, 62343, 124686, 376367, 752734, 1129101, 2258202, 3387303, 6774606, 10161909, 20323818]

約数ペア:

[(1, 20323818), (2, 10161909), (3, 6774606), (6, 3387303), (9, 2258202), (18, 1129101), (27, 752734), (54, 376367), (163, 124686), (326, 62343), (489, 41562), (978, 20781), (1467, 13854), (2309, 8802), (2934, 6927), (4401, 4618)]