20512890965

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34475447}}^1$

素因数の和:34475476

約数の個数: 16

約数和(自身を含む): 29786787072

約数和(自身を除く): 9273896107

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34475447, 172377235, 241328129, 586082599, 1206640645, 2930412995, 4102578193, 20512890965]

約数ペア:

[(1, 20512890965), (5, 4102578193), (7, 2930412995), (17, 1206640645), (35, 586082599), (85, 241328129), (119, 172377235), (595, 34475447)]