20790418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8363}}^1$

素因数の和:8489

約数の個数: 16

約数和(自身を含む): 34325856

約数和(自身を除く): 13535438

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 8363, 16726, 91993, 183986, 945019, 1890038, 10395209, 20790418]

約数ペア:

[(1, 20790418), (2, 10395209), (11, 1890038), (22, 945019), (113, 183986), (226, 91993), (1243, 16726), (2486, 8363)]