15039820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6899}}^1$

素因数の和:7017

約数の個数: 24

約数和(自身を含む): 31878000

約数和(自身を除く): 16838180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6899, 13798, 27596, 34495, 68990, 137980, 751991, 1503982, 3007964, 3759955, 7519910, 15039820]

約数ペア:

[(1, 15039820), (2, 7519910), (4, 3759955), (5, 3007964), (10, 1503982), (20, 751991), (109, 137980), (218, 68990), (436, 34495), (545, 27596), (1090, 13798), (2180, 6899)]