20381572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1553}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 37985976

約数和(自身を除く): 17604404

約数列:

[1, 2, 4, 17, 34, 68, 193, 386, 772, 1553, 3106, 3281, 6212, 6562, 13124, 26401, 52802, 105604, 299729, 599458, 1198916, 5095393, 10190786, 20381572]

約数ペア:

[(1, 20381572), (2, 10190786), (4, 5095393), (17, 1198916), (34, 599458), (68, 299729), (193, 105604), (386, 52802), (772, 26401), (1553, 13124), (3106, 6562), (3281, 6212)]