20186851240

素因数分解:

$2^3\times 5^1\times {\mathrm{504671281}}^1$

素因数の和:504671292

約数の個数: 16

約数和(自身を含む): 45420415380

約数和(自身を除く): 25233564140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504671281, 1009342562, 2018685124, 2523356405, 4037370248, 5046712810, 10093425620, 20186851240]

約数ペア:

[(1, 20186851240), (2, 10093425620), (4, 5046712810), (5, 4037370248), (8, 2523356405), (10, 2018685124), (20, 1009342562), (40, 504671281)]