20903818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13627}}^1$

素因数の和:13701

約数の個数: 16

約数和(自身を含む): 34342560

約数和(自身を除く): 13438742

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 13627, 27254, 177151, 354302, 803993, 1607986, 10451909, 20903818]

約数ペア:

[(1, 20903818), (2, 10451909), (13, 1607986), (26, 803993), (59, 354302), (118, 177151), (767, 27254), (1534, 13627)]