20816169

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8641}}^1$

素因数の和:8728

約数の個数: 16

約数和(自身を含む): 30696384

約数和(自身を除く): 9880215

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8641, 25923, 95051, 285153, 630793, 1892379, 6938723, 20816169]

約数ペア:

[(1, 20816169), (3, 6938723), (11, 1892379), (33, 630793), (73, 285153), (219, 95051), (803, 25923), (2409, 8641)]