20567210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18869}}^1$

素因数の和:18985

約数の個数: 16

約数和(自身を含む): 37362600

約数和(自身を除く): 16795390

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18869, 37738, 94345, 188690, 2056721, 4113442, 10283605, 20567210]

約数ペア:

[(1, 20567210), (2, 10283605), (5, 4113442), (10, 2056721), (109, 188690), (218, 94345), (545, 37738), (1090, 18869)]