20985294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{317959}}^1$

素因数の和:317975

約数の個数: 16

約数和(自身を含む): 45786240

約数和(自身を除く): 24800946

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 317959, 635918, 953877, 1907754, 3497549, 6995098, 10492647, 20985294]

約数ペア:

[(1, 20985294), (2, 10492647), (3, 6995098), (6, 3497549), (11, 1907754), (22, 953877), (33, 635918), (66, 317959)]