20801412

素因数分解:

$2^2\times 3^2\times {\mathrm{577817}}^1$

素因数の和:577827

約数の個数: 18

約数和(自身を含む): 52581438

約数和(自身を除く): 31780026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577817, 1155634, 1733451, 2311268, 3466902, 5200353, 6933804, 10400706, 20801412]

約数ペア:

[(1, 20801412), (2, 10400706), (3, 6933804), (4, 5200353), (6, 3466902), (9, 2311268), (12, 1733451), (18, 1155634), (36, 577817)]