20890792017

素因数分解:

$3^2\times {\mathrm{1321}}^1\times {\mathrm{1757153}}^1$

素因数の和:1758480

約数の個数: 12

約数和(自身を含む): 30198448644

約数和(自身を除く): 9307656627

約数列:

[1, 3, 9, 1321, 3963, 11889, 1757153, 5271459, 15814377, 2321199113, 6963597339, 20890792017]

約数ペア:

[(1, 20890792017), (3, 6963597339), (9, 2321199113), (1321, 15814377), (3963, 5271459), (11889, 1757153)]