20669169

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3209}}^1$

素因数の和:3344

約数の個数: 16

約数和(自身を含む): 29275200

約数和(自身を除く): 8606031

約数列:

[1, 3, 19, 57, 113, 339, 2147, 3209, 6441, 9627, 60971, 182913, 362617, 1087851, 6889723, 20669169]

約数ペア:

[(1, 20669169), (3, 6889723), (19, 1087851), (57, 362617), (113, 182913), (339, 60971), (2147, 9627), (3209, 6441)]