20119858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2351}}^1$

素因数の和:2753

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 12902222

約数列:

[1, 2, 11, 22, 389, 778, 2351, 4279, 4702, 8558, 25861, 51722, 914539, 1829078, 10059929, 20119858]

約数ペア:

[(1, 20119858), (2, 10059929), (11, 1829078), (22, 914539), (389, 51722), (778, 25861), (2351, 8558), (4279, 4702)]