20115721801

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{100559}}^1$

素因数の和:100665

約数の個数: 24

約数和(自身を含む): 24950142720

約数和(自身を除く): 4834420919

約数列:

[1, 7, 17, 41, 119, 287, 697, 1681, 4879, 11767, 28577, 100559, 200039, 703913, 1709503, 4122919, 11966521, 28860433, 70089623, 169039679, 490627361, 1183277753, 2873674543, 20115721801]

約数ペア:

[(1, 20115721801), (7, 2873674543), (17, 1183277753), (41, 490627361), (119, 169039679), (287, 70089623), (697, 28860433), (1681, 11966521), (4879, 4122919), (11767, 1709503), (28577, 703913), (100559, 200039)]