20186680

素因数分解:

$2^3\times 5^1\times {\mathrm{504667}}^1$

素因数の和:504678

約数の個数: 16

約数和(自身を含む): 45420120

約数和(自身を除く): 25233440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504667, 1009334, 2018668, 2523335, 4037336, 5046670, 10093340, 20186680]

約数ペア:

[(1, 20186680), (2, 10093340), (4, 5046670), (5, 4037336), (8, 2523335), (10, 2018668), (20, 1009334), (40, 504667)]