20548360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73387}}^1$

素因数の和:73405

約数の個数: 32

約数和(自身を含む): 52839360

約数和(自身を除く): 32291000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73387, 146774, 293548, 366935, 513709, 587096, 733870, 1027418, 1467740, 2054836, 2568545, 2935480, 4109672, 5137090, 10274180, 20548360]

約数ペア:

[(1, 20548360), (2, 10274180), (4, 5137090), (5, 4109672), (7, 2935480), (8, 2568545), (10, 2054836), (14, 1467740), (20, 1027418), (28, 733870), (35, 587096), (40, 513709), (56, 366935), (70, 293548), (140, 146774), (280, 73387)]