20807391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{1871}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 30371328

約数和(自身を除く): 9563937

約数列:

[1, 3, 11, 33, 337, 1011, 1871, 3707, 5613, 11121, 20581, 61743, 630527, 1891581, 6935797, 20807391]

約数ペア:

[(1, 20807391), (3, 6935797), (11, 1891581), (33, 630527), (337, 61743), (1011, 20581), (1871, 11121), (3707, 5613)]