20179287718

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{972121}}^1$

素因数の和:972327

約数の個数: 16

約数和(自身を含む): 30866817744

約数和(自身を除く): 10687530026

約数列:

[1, 2, 97, 107, 194, 214, 10379, 20758, 972121, 1944242, 94295737, 104016947, 188591474, 208033894, 10089643859, 20179287718]

約数ペア:

[(1, 20179287718), (2, 10089643859), (97, 208033894), (107, 188591474), (194, 104016947), (214, 94295737), (10379, 1944242), (20758, 972121)]