20106740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5209}}^1$

素因数の和:5411

約数の個数: 24

約数和(自身を含む): 42451080

約数和(自身を除く): 22344340

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5209, 10418, 20836, 26045, 52090, 104180, 1005337, 2010674, 4021348, 5026685, 10053370, 20106740]

約数ペア:

[(1, 20106740), (2, 10053370), (4, 5026685), (5, 4021348), (10, 2010674), (20, 1005337), (193, 104180), (386, 52090), (772, 26045), (965, 20836), (1930, 10418), (3860, 5209)]