20121479994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{157231}}^1$

素因数の和:157531

約数の個数: 64

約数和(自身を含む): 50354491392

約数和(自身を除く): 30233011398

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 277, 462, 554, 831, 1662, 1939, 3047, 3878, 5817, 6094, 9141, 11634, 18282, 21329, 42658, 63987, 127974, 157231, 314462, 471693, 943386, 1100617, 1729541, 2201234, 3301851, 3459082, 5188623, 6603702, 10377246, 12106787, 24213574, 36320361, 43552987, 72640722, 87105974, 130658961, 261317922, 304870909, 479082857, 609741818, 914612727, 958165714, 1437248571, 1829225454, 2874497142, 3353579999, 6707159998, 10060739997, 20121479994]

約数ペア:

[(1, 20121479994), (2, 10060739997), (3, 6707159998), (6, 3353579999), (7, 2874497142), (11, 1829225454), (14, 1437248571), (21, 958165714), (22, 914612727), (33, 609741818), (42, 479082857), (66, 304870909), (77, 261317922), (154, 130658961), (231, 87105974), (277, 72640722), (462, 43552987), (554, 36320361), (831, 24213574), (1662, 12106787), (1939, 10377246), (3047, 6603702), (3878, 5188623), (5817, 3459082), (6094, 3301851), (9141, 2201234), (11634, 1729541), (18282, 1100617), (21329, 943386), (42658, 471693), (63987, 314462), (127974, 157231)]