20548341

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18869}}^1$

素因数の和:18897

約数の個数: 18

約数和(自身を含む): 32626230

約数和(自身を除く): 12077889

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18869, 56607, 169821, 207559, 622677, 1868031, 2283149, 6849447, 20548341]

約数ペア:

[(1, 20548341), (3, 6849447), (9, 2283149), (11, 1868031), (33, 622677), (99, 207559), (121, 169821), (363, 56607), (1089, 18869)]