20121674440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3329}}^1\times {\mathrm{21587}}^1$

素因数の和:24934

約数の個数: 64

約数和(自身を含む): 51759388800

約数和(自身を除く): 31637714360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3329, 6658, 13316, 16645, 21587, 23303, 26632, 33290, 43174, 46606, 66580, 86348, 93212, 107935, 116515, 133160, 151109, 172696, 186424, 215870, 233030, 302218, 431740, 466060, 604436, 755545, 863480, 932120, 1208872, 1511090, 3022180, 6044360, 71863123, 143726246, 287452492, 359315615, 503041861, 574904984, 718631230, 1006083722, 1437262460, 2012167444, 2515209305, 2874524920, 4024334888, 5030418610, 10060837220, 20121674440]

約数ペア:

[(1, 20121674440), (2, 10060837220), (4, 5030418610), (5, 4024334888), (7, 2874524920), (8, 2515209305), (10, 2012167444), (14, 1437262460), (20, 1006083722), (28, 718631230), (35, 574904984), (40, 503041861), (56, 359315615), (70, 287452492), (140, 143726246), (280, 71863123), (3329, 6044360), (6658, 3022180), (13316, 1511090), (16645, 1208872), (21587, 932120), (23303, 863480), (26632, 755545), (33290, 604436), (43174, 466060), (46606, 431740), (66580, 302218), (86348, 233030), (93212, 215870), (107935, 186424), (116515, 172696), (133160, 151109)]