20051472

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 39944688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 83, 84, 112, 166, 168, 249, 332, 336, 498, 581, 664, 719, 996, 1162, 1328, 1438, 1743, 1992, 2157, 2324, 2876, 3486, 3984, 4314, 4648, 5033, 5752, 6972, 8628, 9296, 10066, 11504, 13944, 15099, 17256, 20132, 27888, 30198, 34512, 40264, 59677, 60396, 80528, 119354, 120792, 179031, 238708, 241584, 358062, 417739, 477416, 716124, 835478, 954832, 1253217, 1432248, 1670956, 2506434, 2864496, 3341912, 5012868, 6683824, 10025736, 20051472]

約数ペア:

[(1, 20051472), (2, 10025736), (3, 6683824), (4, 5012868), (6, 3341912), (7, 2864496), (8, 2506434), (12, 1670956), (14, 1432248), (16, 1253217), (21, 954832), (24, 835478), (28, 716124), (42, 477416), (48, 417739), (56, 358062), (83, 241584), (84, 238708), (112, 179031), (166, 120792), (168, 119354), (249, 80528), (332, 60396), (336, 59677), (498, 40264), (581, 34512), (664, 30198), (719, 27888), (996, 20132), (1162, 17256), (1328, 15099), (1438, 13944), (1743, 11504), (1992, 10066), (2157, 9296), (2324, 8628), (2876, 6972), (3486, 5752), (3984, 5033), (4314, 4648)]