20713488

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 35265072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 107, 109, 111, 148, 214, 218, 222, 296, 321, 327, 428, 436, 444, 592, 642, 654, 856, 872, 888, 1284, 1308, 1712, 1744, 1776, 2568, 2616, 3959, 4033, 5136, 5232, 7918, 8066, 11663, 11877, 12099, 15836, 16132, 23326, 23754, 24198, 31672, 32264, 34989, 46652, 47508, 48396, 63344, 64528, 69978, 93304, 95016, 96792, 139956, 186608, 190032, 193584, 279912, 431531, 559824, 863062, 1294593, 1726124, 2589186, 3452248, 5178372, 6904496, 10356744, 20713488]

約数ペア:

[(1, 20713488), (2, 10356744), (3, 6904496), (4, 5178372), (6, 3452248), (8, 2589186), (12, 1726124), (16, 1294593), (24, 863062), (37, 559824), (48, 431531), (74, 279912), (107, 193584), (109, 190032), (111, 186608), (148, 139956), (214, 96792), (218, 95016), (222, 93304), (296, 69978), (321, 64528), (327, 63344), (428, 48396), (436, 47508), (444, 46652), (592, 34989), (642, 32264), (654, 31672), (856, 24198), (872, 23754), (888, 23326), (1284, 16132), (1308, 15836), (1712, 12099), (1744, 11877), (1776, 11663), (2568, 8066), (2616, 7918), (3959, 5232), (4033, 5136)]