20811009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{14071}}^1$

素因数の和:14120

約数の個数: 16

約数和(自身を含む): 30395520

約数和(自身を除く): 9584511

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 14071, 42213, 239207, 408059, 717621, 1224177, 6937003, 20811009]

約数ペア:

[(1, 20811009), (3, 6937003), (17, 1224177), (29, 717621), (51, 408059), (87, 239207), (493, 42213), (1479, 14071)]