20121684

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 35036076

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 71, 76, 113, 114, 132, 142, 209, 213, 226, 228, 284, 339, 418, 426, 452, 627, 678, 781, 836, 852, 1243, 1254, 1349, 1356, 1562, 2147, 2343, 2486, 2508, 2698, 3124, 3729, 4047, 4294, 4686, 4972, 5396, 6441, 7458, 8023, 8094, 8588, 9372, 12882, 14839, 14916, 16046, 16188, 23617, 24069, 25764, 29678, 32092, 44517, 47234, 48138, 59356, 70851, 88253, 89034, 94468, 96276, 141702, 152437, 176506, 178068, 264759, 283404, 304874, 353012, 457311, 529518, 609748, 914622, 1059036, 1676807, 1829244, 3353614, 5030421, 6707228, 10060842, 20121684]

約数ペア:

[(1, 20121684), (2, 10060842), (3, 6707228), (4, 5030421), (6, 3353614), (11, 1829244), (12, 1676807), (19, 1059036), (22, 914622), (33, 609748), (38, 529518), (44, 457311), (57, 353012), (66, 304874), (71, 283404), (76, 264759), (113, 178068), (114, 176506), (132, 152437), (142, 141702), (209, 96276), (213, 94468), (226, 89034), (228, 88253), (284, 70851), (339, 59356), (418, 48138), (426, 47234), (452, 44517), (627, 32092), (678, 29678), (781, 25764), (836, 24069), (852, 23617), (1243, 16188), (1254, 16046), (1349, 14916), (1356, 14839), (1562, 12882), (2147, 9372), (2343, 8588), (2486, 8094), (2508, 8023), (2698, 7458), (3124, 6441), (3729, 5396), (4047, 4972), (4294, 4686)]