20081650

素因数分解:

$2^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{2081}}^1$

素因数の和:2286

約数の個数: 24

約数和(自身を含む): 37563444

約数和(自身を除く): 17481794

約数列:

[1, 2, 5, 10, 25, 50, 193, 386, 965, 1930, 2081, 4162, 4825, 9650, 10405, 20810, 52025, 104050, 401633, 803266, 2008165, 4016330, 10040825, 20081650]

約数ペア:

[(1, 20081650), (2, 10040825), (5, 4016330), (10, 2008165), (25, 803266), (50, 401633), (193, 104050), (386, 52025), (965, 20810), (1930, 10405), (2081, 9650), (4162, 4825)]