20164080412

素因数分解:

$2^2\times 7^1\times {\mathrm{720145729}}^1$

素因数の和:720145740

約数の個数: 12

約数和(自身を含む): 40328160880

約数和(自身を除く): 20164080468

約数列:

[1, 2, 4, 7, 14, 28, 720145729, 1440291458, 2880582916, 5041020103, 10082040206, 20164080412]

約数ペア:

[(1, 20164080412), (2, 10082040206), (4, 5041020103), (7, 2880582916), (14, 1440291458), (28, 720145729)]