20448021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5791}}^1$

素因数の和:5912

約数の個数: 16

約数和(自身を含む): 30025728

約数和(自身を除く): 9577707

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5791, 17373, 63701, 191103, 619637, 1858911, 6816007, 20448021]

約数ペア:

[(1, 20448021), (3, 6816007), (11, 1858911), (33, 619637), (107, 191103), (321, 63701), (1177, 17373), (3531, 5791)]