20138555439

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{54576031}}^1$

素因数の和:54576078

約数の個数: 12

約数和(自身を含む): 29798513472

約数和(自身を除く): 9659958033

約数列:

[1, 3, 9, 41, 123, 369, 54576031, 163728093, 491184279, 2237617271, 6712851813, 20138555439]

約数ペア:

[(1, 20138555439), (3, 6712851813), (9, 2237617271), (41, 491184279), (123, 163728093), (369, 54576031)]