20648853

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 30857112

約数和(自身を除く): 10208259

約数列:

[1, 3, 9, 53, 73, 159, 219, 477, 593, 657, 1779, 3869, 5337, 11607, 31429, 34821, 43289, 94287, 129867, 282861, 389601, 2294317, 6882951, 20648853]

約数ペア:

[(1, 20648853), (3, 6882951), (9, 2294317), (53, 389601), (73, 282861), (159, 129867), (219, 94287), (477, 43289), (593, 34821), (657, 31429), (1779, 11607), (3869, 5337)]