20145051

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43889}}^1$

素因数の和:43915

約数の個数: 16

約数和(自身を含む): 31600800

約数和(自身を除く): 11455749

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43889, 131667, 395001, 746113, 1185003, 2238339, 6715017, 20145051]

約数ペア:

[(1, 20145051), (3, 6715017), (9, 2238339), (17, 1185003), (27, 746113), (51, 395001), (153, 131667), (459, 43889)]