20007768506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1\times {\mathrm{17209}}^1$

素因数の和:18494

約数の個数: 32

約数和(自身を含む): 33530587200

約数和(自身を除く): 13522818694

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 1229, 2458, 13519, 17209, 27038, 34418, 52847, 105694, 189299, 378598, 581317, 739987, 1162634, 1479974, 8139857, 16279714, 21149861, 42299722, 232648471, 465296942, 909444023, 1818888046, 10003884253, 20007768506]

約数ペア:

[(1, 20007768506), (2, 10003884253), (11, 1818888046), (22, 909444023), (43, 465296942), (86, 232648471), (473, 42299722), (946, 21149861), (1229, 16279714), (2458, 8139857), (13519, 1479974), (17209, 1162634), (27038, 739987), (34418, 581317), (52847, 378598), (105694, 189299)]