20882901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10103}}^1$

素因数の和:10172

約数の個数: 16

約数和(自身を含む): 30554496

約数和(自身を除く): 9671595

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 10103, 30309, 131339, 394017, 535459, 1606377, 6960967, 20882901]

約数ペア:

[(1, 20882901), (3, 6960967), (13, 1606377), (39, 535459), (53, 394017), (159, 131339), (689, 30309), (2067, 10103)]