20115035740

素因数分解:

$2^2\times 5^1\times {\mathrm{51691}}^1\times {\mathrm{19457}}^1$

素因数の和:71157

約数の個数: 24

約数和(自身を含む): 42244563312

約数和(自身を除く): 22129527572

約数列:

[1, 2, 4, 5, 10, 20, 19457, 38914, 51691, 77828, 97285, 103382, 194570, 206764, 258455, 389140, 516910, 1033820, 1005751787, 2011503574, 4023007148, 5028758935, 10057517870, 20115035740]

約数ペア:

[(1, 20115035740), (2, 10057517870), (4, 5028758935), (5, 4023007148), (10, 2011503574), (20, 1005751787), (19457, 1033820), (38914, 516910), (51691, 389140), (77828, 258455), (97285, 206764), (103382, 194570)]