20040444

素因数分解:

$2^2\times 3^2\times {\mathrm{556679}}^1$

素因数の和:556689

約数の個数: 18

約数和(自身を含む): 50657880

約数和(自身を除く): 30617436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556679, 1113358, 1670037, 2226716, 3340074, 5010111, 6680148, 10020222, 20040444]

約数ペア:

[(1, 20040444), (2, 10020222), (3, 6680148), (4, 5010111), (6, 3340074), (9, 2226716), (12, 1670037), (18, 1113358), (36, 556679)]