20186840

素因数分解:

$2^3\times 5^1\times {\mathrm{504671}}^1$

素因数の和:504682

約数の個数: 16

約数和(自身を含む): 45420480

約数和(自身を除く): 25233640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504671, 1009342, 2018684, 2523355, 4037368, 5046710, 10093420, 20186840]

約数ペア:

[(1, 20186840), (2, 10093420), (4, 5046710), (5, 4037368), (8, 2523355), (10, 2018684), (20, 1009342), (40, 504671)]