20338054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21499}}^1$

素因数の和:21555

約数の個数: 16

約数和(自身を含む): 34056000

約数和(自身を除く): 13717946

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21499, 42998, 236489, 472978, 924457, 1848914, 10169027, 20338054]

約数ペア:

[(1, 20338054), (2, 10169027), (11, 1848914), (22, 924457), (43, 472978), (86, 236489), (473, 42998), (946, 21499)]