20187621

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{54709}}^1$

素因数の和:54756

約数の個数: 12

約数和(自身を含む): 29871660

約数和(自身を除く): 9684039

約数列:

[1, 3, 9, 41, 123, 369, 54709, 164127, 492381, 2243069, 6729207, 20187621]

約数ペア:

[(1, 20187621), (3, 6729207), (9, 2243069), (41, 492381), (123, 164127), (369, 54709)]