20013084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 44196516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 41, 42, 52, 63, 78, 82, 84, 91, 117, 123, 126, 149, 156, 164, 182, 234, 246, 252, 273, 287, 298, 364, 369, 447, 468, 492, 533, 546, 574, 596, 738, 819, 861, 894, 1043, 1066, 1092, 1148, 1341, 1476, 1599, 1638, 1722, 1788, 1937, 2086, 2132, 2583, 2682, 3129, 3198, 3276, 3444, 3731, 3874, 4172, 4797, 5166, 5364, 5811, 6109, 6258, 6396, 7462, 7748, 9387, 9594, 10332, 11193, 11622, 12218, 12516, 13559, 14924, 17433, 18327, 18774, 19188, 22386, 23244, 24436, 27118, 33579, 34866, 36654, 37548, 40677, 42763, 44772, 54236, 54981, 67158, 69732, 73308, 79417, 81354, 85526, 109962, 122031, 128289, 134316, 158834, 162708, 171052, 219924, 238251, 244062, 256578, 317668, 384867, 476502, 488124, 513156, 555919, 714753, 769734, 953004, 1111838, 1429506, 1539468, 1667757, 2223676, 2859012, 3335514, 5003271, 6671028, 10006542, 20013084]

約数ペア:

[(1, 20013084), (2, 10006542), (3, 6671028), (4, 5003271), (6, 3335514), (7, 2859012), (9, 2223676), (12, 1667757), (13, 1539468), (14, 1429506), (18, 1111838), (21, 953004), (26, 769734), (28, 714753), (36, 555919), (39, 513156), (41, 488124), (42, 476502), (52, 384867), (63, 317668), (78, 256578), (82, 244062), (84, 238251), (91, 219924), (117, 171052), (123, 162708), (126, 158834), (149, 134316), (156, 128289), (164, 122031), (182, 109962), (234, 85526), (246, 81354), (252, 79417), (273, 73308), (287, 69732), (298, 67158), (364, 54981), (369, 54236), (447, 44772), (468, 42763), (492, 40677), (533, 37548), (546, 36654), (574, 34866), (596, 33579), (738, 27118), (819, 24436), (861, 23244), (894, 22386), (1043, 19188), (1066, 18774), (1092, 18327), (1148, 17433), (1341, 14924), (1476, 13559), (1599, 12516), (1638, 12218), (1722, 11622), (1788, 11193), (1937, 10332), (2086, 9594), (2132, 9387), (2583, 7748), (2682, 7462), (3129, 6396), (3198, 6258), (3276, 6109), (3444, 5811), (3731, 5364), (3874, 5166), (4172, 4797)]