20145663

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131671}}^1$

素因数の和:131694

約数の個数: 12

約数和(自身を含む): 30811248

約数和(自身を除く): 10665585

約数列:

[1, 3, 9, 17, 51, 153, 131671, 395013, 1185039, 2238407, 6715221, 20145663]

約数ペア:

[(1, 20145663), (3, 6715221), (9, 2238407), (17, 1185039), (51, 395013), (153, 131671)]