20708391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3467}}^1$

素因数の和:3662

約数の個数: 16

約数和(自身を含む): 30296448

約数和(自身を除く): 9588057

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3467, 5973, 10401, 38137, 114411, 627527, 1882581, 6902797, 20708391]

約数ペア:

[(1, 20708391), (3, 6902797), (11, 1882581), (33, 627527), (181, 114411), (543, 38137), (1991, 10401), (3467, 5973)]