20618110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121283}}^1$

素因数の和:121307

約数の個数: 16

約数和(自身を含む): 39296016

約数和(自身を除く): 18677906

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 121283, 242566, 606415, 1212830, 2061811, 4123622, 10309055, 20618110]

約数ペア:

[(1, 20618110), (2, 10309055), (5, 4123622), (10, 2061811), (17, 1212830), (34, 606415), (85, 242566), (170, 121283)]