20420091

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{55339}}^1$

素因数の和:55386

約数の個数: 12

約数和(自身を含む): 30215640

約数和(自身を除く): 9795549

約数列:

[1, 3, 9, 41, 123, 369, 55339, 166017, 498051, 2268899, 6806697, 20420091]

約数ペア:

[(1, 20420091), (3, 6806697), (9, 2268899), (41, 498051), (123, 166017), (369, 55339)]