20544850

素因数分解:

$2^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{2129}}^1$

素因数の和:2334

約数の個数: 24

約数和(自身を含む): 38429460

約数和(自身を除く): 17884610

約数列:

[1, 2, 5, 10, 25, 50, 193, 386, 965, 1930, 2129, 4258, 4825, 9650, 10645, 21290, 53225, 106450, 410897, 821794, 2054485, 4108970, 10272425, 20544850]

約数ペア:

[(1, 20544850), (2, 10272425), (5, 4108970), (10, 2054485), (25, 821794), (50, 410897), (193, 106450), (386, 53225), (965, 21290), (1930, 10645), (2129, 9650), (4258, 4825)]