20512671135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{21557}}^1$

素因数の和:21728

約数の個数: 64

約数和(自身を含む): 36755527680

約数和(自身を除く): 16242856545

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 79, 165, 219, 237, 365, 395, 803, 869, 1095, 1185, 2409, 2607, 4015, 4345, 5767, 12045, 13035, 17301, 21557, 28835, 63437, 64671, 86505, 107785, 190311, 237127, 317185, 323355, 711381, 951555, 1185635, 1573661, 1703003, 3556905, 4720983, 5109009, 7868305, 8515015, 17310271, 18733033, 23604915, 25545045, 51930813, 56199099, 86551355, 93665165, 124319219, 259654065, 280995495, 372957657, 621596095, 1367511409, 1864788285, 4102534227, 6837557045, 20512671135]

約数ペア:

[(1, 20512671135), (3, 6837557045), (5, 4102534227), (11, 1864788285), (15, 1367511409), (33, 621596095), (55, 372957657), (73, 280995495), (79, 259654065), (165, 124319219), (219, 93665165), (237, 86551355), (365, 56199099), (395, 51930813), (803, 25545045), (869, 23604915), (1095, 18733033), (1185, 17310271), (2409, 8515015), (2607, 7868305), (4015, 5109009), (4345, 4720983), (5767, 3556905), (12045, 1703003), (13035, 1573661), (17301, 1185635), (21557, 951555), (28835, 711381), (63437, 323355), (64671, 317185), (86505, 237127), (107785, 190311)]