20717135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10597}}^1$

素因数の和:10642

約数の個数: 16

約数和(自身を含む): 27470016

約数和(自身を除く): 6752881

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10597, 52985, 180149, 243731, 900745, 1218655, 4143427, 20717135]

約数ペア:

[(1, 20717135), (5, 4143427), (17, 1218655), (23, 900745), (85, 243731), (115, 180149), (391, 52985), (1955, 10597)]