20539630

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12601}}^1$

素因数の和:12771

約数の個数: 16

約数和(自身を含む): 37201104

約数和(自身を除く): 16661474

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 12601, 25202, 63005, 126010, 2053963, 4107926, 10269815, 20539630]

約数ペア:

[(1, 20539630), (2, 10269815), (5, 4107926), (10, 2053963), (163, 126010), (326, 63005), (815, 25202), (1630, 12601)]