20465577

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18793}}^1$

素因数の和:18821

約数の個数: 18

約数和(自身を含む): 32494826

約数和(自身を除く): 12029249

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18793, 56379, 169137, 206723, 620169, 1860507, 2273953, 6821859, 20465577]

約数ペア:

[(1, 20465577), (3, 6821859), (9, 2273953), (11, 1860507), (33, 620169), (99, 206723), (121, 169137), (363, 56379), (1089, 18793)]