20865868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3697}}^1$

素因数の和:3801

約数の個数: 24

約数和(自身を含む): 39139632

約数和(自身を除く): 18273764

約数列:

[1, 2, 4, 17, 34, 68, 83, 166, 332, 1411, 2822, 3697, 5644, 7394, 14788, 62849, 125698, 251396, 306851, 613702, 1227404, 5216467, 10432934, 20865868]

約数ペア:

[(1, 20865868), (2, 10432934), (4, 5216467), (17, 1227404), (34, 613702), (68, 306851), (83, 251396), (166, 125698), (332, 62849), (1411, 14788), (2822, 7394), (3697, 5644)]