15422020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12641}}^1$

素因数の和:12711

約数の個数: 24

約数和(自身を含む): 32919768

約数和(自身を除く): 17497748

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 12641, 25282, 50564, 63205, 126410, 252820, 771101, 1542202, 3084404, 3855505, 7711010, 15422020]

約数ペア:

[(1, 15422020), (2, 7711010), (4, 3855505), (5, 3084404), (10, 1542202), (20, 771101), (61, 252820), (122, 126410), (244, 63205), (305, 50564), (610, 25282), (1220, 12641)]