20512606772

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{617}}^1\times {\mathrm{5849}}^1$

素因数の和:6513

約数の個数: 72

約数和(自身を含む): 43275141000

約数和(自身を除く): 22762534228

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 617, 812, 1234, 1421, 2468, 2842, 4319, 5684, 5849, 8638, 11698, 17276, 17893, 23396, 30233, 35786, 40943, 60466, 71572, 81886, 120932, 125251, 163772, 169621, 250502, 286601, 339242, 501004, 573202, 678484, 876757, 1146404, 1187347, 1753514, 2374694, 3507028, 3608833, 4749388, 7217666, 8311429, 14435332, 16622858, 25261831, 33245716, 50523662, 101047324, 104656157, 176832817, 209312314, 353665634, 418624628, 707331268, 732593099, 1465186198, 2930372396, 5128151693, 10256303386, 20512606772]

約数ペア:

[(1, 20512606772), (2, 10256303386), (4, 5128151693), (7, 2930372396), (14, 1465186198), (28, 732593099), (29, 707331268), (49, 418624628), (58, 353665634), (98, 209312314), (116, 176832817), (196, 104656157), (203, 101047324), (406, 50523662), (617, 33245716), (812, 25261831), (1234, 16622858), (1421, 14435332), (2468, 8311429), (2842, 7217666), (4319, 4749388), (5684, 3608833), (5849, 3507028), (8638, 2374694), (11698, 1753514), (17276, 1187347), (17893, 1146404), (23396, 876757), (30233, 678484), (35786, 573202), (40943, 501004), (60466, 339242), (71572, 286601), (81886, 250502), (120932, 169621), (125251, 163772)]