20512732227

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1\times {\mathrm{278437}}^1$

素因数の和:280342

約数の個数: 16

約数和(自身を含む): 29469877920

約数和(自身を除く): 8957145693

約数列:

[1, 3, 13, 39, 1889, 5667, 24557, 73671, 278437, 835311, 3619681, 10859043, 525967493, 1577902479, 6837577409, 20512732227]

約数ペア:

[(1, 20512732227), (3, 6837577409), (13, 1577902479), (39, 525967493), (1889, 10859043), (5667, 3619681), (24557, 835311), (73671, 278437)]