20384660

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5281}}^1$

素因数の和:5483

約数の個数: 24

約数和(自身を含む): 43037736

約数和(自身を除く): 22653076

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5281, 10562, 21124, 26405, 52810, 105620, 1019233, 2038466, 4076932, 5096165, 10192330, 20384660]

約数ペア:

[(1, 20384660), (2, 10192330), (4, 5096165), (5, 4076932), (10, 2038466), (20, 1019233), (193, 105620), (386, 52810), (772, 26405), (965, 21124), (1930, 10562), (3860, 5281)]