20546960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36691}}^1$

素因数の和:36711

約数の個数: 40

約数和(自身を含む): 54597696

約数和(自身を除く): 34050736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36691, 73382, 146764, 183455, 256837, 293528, 366910, 513674, 587056, 733820, 1027348, 1284185, 1467640, 2054696, 2568370, 2935280, 4109392, 5136740, 10273480, 20546960]

約数ペア:

[(1, 20546960), (2, 10273480), (4, 5136740), (5, 4109392), (7, 2935280), (8, 2568370), (10, 2054696), (14, 1467640), (16, 1284185), (20, 1027348), (28, 733820), (35, 587056), (40, 513674), (56, 366910), (70, 293528), (80, 256837), (112, 183455), (140, 146764), (280, 73382), (560, 36691)]