20858259

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 7446381

約数列:

[1, 3, 107, 181, 321, 359, 543, 1077, 19367, 38413, 58101, 64979, 115239, 194937, 6952753, 20858259]

約数ペア:

[(1, 20858259), (3, 6952753), (107, 194937), (181, 115239), (321, 64979), (359, 58101), (543, 38413), (1077, 19367)]