20104029

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18461}}^1$

素因数の和:18489

約数の個数: 18

約数和(自身を含む): 31920798

約数和(自身を除く): 11816769

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18461, 55383, 166149, 203071, 609213, 1827639, 2233781, 6701343, 20104029]

約数ペア:

[(1, 20104029), (3, 6701343), (9, 2233781), (11, 1827639), (33, 609213), (99, 203071), (121, 166149), (363, 55383), (1089, 18461)]