20880558

素因数分解:

$2^1\times 3^3\times {\mathrm{386677}}^1$

素因数の和:386688

約数の個数: 16

約数和(自身を含む): 46401360

約数和(自身を除く): 25520802

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 386677, 773354, 1160031, 2320062, 3480093, 6960186, 10440279, 20880558]

約数ペア:

[(1, 20880558), (2, 10440279), (3, 6960186), (6, 3480093), (9, 2320062), (18, 1160031), (27, 773354), (54, 386677)]