20880451611

素因数分解:

$3^2\times {\mathrm{19031}}^1\times {\mathrm{121909}}^1$

素因数の和:140946

約数の個数: 12

約数和(自身を含む): 30162484560

約数和(自身を除く): 9282032949

約数列:

[1, 3, 9, 19031, 57093, 121909, 171279, 365727, 1097181, 2320050179, 6960150537, 20880451611]

約数ペア:

[(1, 20880451611), (3, 6960150537), (9, 2320050179), (19031, 1097181), (57093, 365727), (121909, 171279)]