20145802047

素因数分解:

$3^1\times 7^1\times {\mathrm{6007}}^1\times {\mathrm{159701}}^1$

素因数の和:165718

約数の個数: 16

約数和(自身を含む): 30703667712

約数和(自身を除く): 10557865665

約数列:

[1, 3, 7, 21, 6007, 18021, 42049, 126147, 159701, 479103, 1117907, 3353721, 959323907, 2877971721, 6715267349, 20145802047]

約数ペア:

[(1, 20145802047), (3, 6715267349), (7, 2877971721), (21, 959323907), (6007, 3353721), (18021, 1117907), (42049, 479103), (126147, 159701)]