20121120264

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{181193}}^1$

素因数の和:181870

約数の個数: 64

約数和(自身を含む): 57576205440

約数和(自身を除く): 37455085176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 661, 1322, 1983, 2644, 3966, 4627, 5288, 7932, 9254, 13881, 15864, 18508, 27762, 37016, 55524, 111048, 181193, 362386, 543579, 724772, 1087158, 1268351, 1449544, 2174316, 2536702, 3805053, 4348632, 5073404, 7610106, 10146808, 15220212, 30440424, 119768573, 239537146, 359305719, 479074292, 718611438, 838380011, 958148584, 1437222876, 1676760022, 2515140033, 2874445752, 3353520044, 5030280066, 6707040088, 10060560132, 20121120264]

約数ペア:

[(1, 20121120264), (2, 10060560132), (3, 6707040088), (4, 5030280066), (6, 3353520044), (7, 2874445752), (8, 2515140033), (12, 1676760022), (14, 1437222876), (21, 958148584), (24, 838380011), (28, 718611438), (42, 479074292), (56, 359305719), (84, 239537146), (168, 119768573), (661, 30440424), (1322, 15220212), (1983, 10146808), (2644, 7610106), (3966, 5073404), (4627, 4348632), (5288, 3805053), (7932, 2536702), (9254, 2174316), (13881, 1449544), (15864, 1268351), (18508, 1087158), (27762, 724772), (37016, 543579), (55524, 362386), (111048, 181193)]