20080204557

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{838037}}^1$

素因数の和:838217

約数の個数: 24

約数和(自身を含む): 31335916896

約数和(自身を除く): 11255712339

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 3423, 7987, 23961, 838037, 2514111, 5866259, 17598777, 41063813, 123191439, 136600031, 409800093, 956200217, 2868600651, 6693401519, 20080204557]

約数ペア:

[(1, 20080204557), (3, 6693401519), (7, 2868600651), (21, 956200217), (49, 409800093), (147, 136600031), (163, 123191439), (489, 41063813), (1141, 17598777), (3423, 5866259), (7987, 2514111), (23961, 838037)]