20808266

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{1217}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 31921344

約数和(自身を除く): 11113078

約数列:

[1, 2, 83, 103, 166, 206, 1217, 2434, 8549, 17098, 101011, 125351, 202022, 250702, 10404133, 20808266]

約数ペア:

[(1, 20808266), (2, 10404133), (83, 250702), (103, 202022), (166, 125351), (206, 101011), (1217, 17098), (2434, 8549)]