20512464

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1489}}^1$

素因数の和:1548

約数の個数: 80

約数和(自身を含む): 62079360

約数和(自身を除く): 41566896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 246, 287, 328, 336, 492, 574, 656, 861, 984, 1148, 1489, 1722, 1968, 2296, 2978, 3444, 4467, 4592, 5956, 6888, 8934, 10423, 11912, 13776, 17868, 20846, 23824, 31269, 35736, 41692, 61049, 62538, 71472, 83384, 122098, 125076, 166768, 183147, 244196, 250152, 366294, 427343, 488392, 500304, 732588, 854686, 976784, 1282029, 1465176, 1709372, 2564058, 2930352, 3418744, 5128116, 6837488, 10256232, 20512464]

約数ペア:

[(1, 20512464), (2, 10256232), (3, 6837488), (4, 5128116), (6, 3418744), (7, 2930352), (8, 2564058), (12, 1709372), (14, 1465176), (16, 1282029), (21, 976784), (24, 854686), (28, 732588), (41, 500304), (42, 488392), (48, 427343), (56, 366294), (82, 250152), (84, 244196), (112, 183147), (123, 166768), (164, 125076), (168, 122098), (246, 83384), (287, 71472), (328, 62538), (336, 61049), (492, 41692), (574, 35736), (656, 31269), (861, 23824), (984, 20846), (1148, 17868), (1489, 13776), (1722, 11912), (1968, 10423), (2296, 8934), (2978, 6888), (3444, 5956), (4467, 4592)]