20413344

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 96

約数和(自身を含む): 62971776

約数和(自身を除く): 42558432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 74, 84, 96, 111, 112, 148, 168, 222, 224, 259, 296, 336, 444, 518, 592, 672, 777, 821, 888, 1036, 1184, 1554, 1642, 1776, 2072, 2463, 3108, 3284, 3552, 4144, 4926, 5747, 6216, 6568, 8288, 9852, 11494, 12432, 13136, 17241, 19704, 22988, 24864, 26272, 30377, 34482, 39408, 45976, 60754, 68964, 78816, 91131, 91952, 121508, 137928, 182262, 183904, 212639, 243016, 275856, 364524, 425278, 486032, 551712, 637917, 729048, 850556, 972064, 1275834, 1458096, 1701112, 2551668, 2916192, 3402224, 5103336, 6804448, 10206672, 20413344]

約数ペア:

[(1, 20413344), (2, 10206672), (3, 6804448), (4, 5103336), (6, 3402224), (7, 2916192), (8, 2551668), (12, 1701112), (14, 1458096), (16, 1275834), (21, 972064), (24, 850556), (28, 729048), (32, 637917), (37, 551712), (42, 486032), (48, 425278), (56, 364524), (74, 275856), (84, 243016), (96, 212639), (111, 183904), (112, 182262), (148, 137928), (168, 121508), (222, 91952), (224, 91131), (259, 78816), (296, 68964), (336, 60754), (444, 45976), (518, 39408), (592, 34482), (672, 30377), (777, 26272), (821, 24864), (888, 22988), (1036, 19704), (1184, 17241), (1554, 13136), (1642, 12432), (1776, 11494), (2072, 9852), (2463, 8288), (3108, 6568), (3284, 6216), (3552, 5747), (4144, 4926)]