20178663485

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{607151}}^1$

素因数の和:607213

約数の個数: 24

約数和(自身を含む): 26840975616

約数和(自身を除く): 6662312131

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 1445, 1955, 6647, 33235, 607151, 3035755, 10321567, 13964473, 51607835, 69822365, 175466639, 237396041, 877333195, 1186980205, 4035732697, 20178663485]

約数ペア:

[(1, 20178663485), (5, 4035732697), (17, 1186980205), (23, 877333195), (85, 237396041), (115, 175466639), (289, 69822365), (391, 51607835), (1445, 13964473), (1955, 10321567), (6647, 3035755), (33235, 607151)]