20105180

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2897}}^1$

素因数の和:3253

約数の個数: 24

約数和(自身を含む): 42357168

約数和(自身を除く): 22251988

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2897, 3470, 5794, 6940, 11588, 14485, 28970, 57940, 1005259, 2010518, 4021036, 5026295, 10052590, 20105180]

約数ペア:

[(1, 20105180), (2, 10052590), (4, 5026295), (5, 4021036), (10, 2010518), (20, 1005259), (347, 57940), (694, 28970), (1388, 14485), (1735, 11588), (2897, 6940), (3470, 5794)]