20105668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1151}}^1$

素因数の和:1563

約数の個数: 24

約数和(自身を含む): 38513664

約数和(自身を除く): 18407996

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1151, 1588, 2302, 4367, 4604, 8734, 12661, 17468, 25322, 50644, 456947, 913894, 1827788, 5026417, 10052834, 20105668]

約数ペア:

[(1, 20105668), (2, 10052834), (4, 5026417), (11, 1827788), (22, 913894), (44, 456947), (397, 50644), (794, 25322), (1151, 17468), (1588, 12661), (2302, 8734), (4367, 4604)]