20493684

素因数分解:

$2^2\times 3^2\times {\mathrm{569269}}^1$

素因数の和:569279

約数の個数: 18

約数和(自身を含む): 51803570

約数和(自身を除く): 31309886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569269, 1138538, 1707807, 2277076, 3415614, 5123421, 6831228, 10246842, 20493684]

約数ペア:

[(1, 20493684), (2, 10246842), (3, 6831228), (4, 5123421), (6, 3415614), (9, 2277076), (12, 1707807), (18, 1138538), (36, 569269)]