20829809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20809}}^1$

素因数の和:20840

約数の個数: 16

約数和(自身を含む): 27968640

約数和(自身を除く): 7138831

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 20809, 145663, 228899, 270517, 1602293, 1893619, 2975687, 20829809]

約数ペア:

[(1, 20829809), (7, 2975687), (11, 1893619), (13, 1602293), (77, 270517), (91, 228899), (143, 145663), (1001, 20809)]