20690891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 23405760

約数和(自身を除く): 2714869

約数列:

[1, 13, 29, 71, 377, 773, 923, 2059, 10049, 22417, 26767, 54883, 291421, 713479, 1591607, 20690891]

約数ペア:

[(1, 20690891), (13, 1591607), (29, 713479), (71, 291421), (377, 54883), (773, 26767), (923, 22417), (2059, 10049)]