20510540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35363}}^1$

素因数の和:35401

約数の個数: 24

約数和(自身を含む): 44558640

約数和(自身を除く): 24048100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35363, 70726, 141452, 176815, 353630, 707260, 1025527, 2051054, 4102108, 5127635, 10255270, 20510540]

約数ペア:

[(1, 20510540), (2, 10255270), (4, 5127635), (5, 4102108), (10, 2051054), (20, 1025527), (29, 707260), (58, 353630), (116, 176815), (145, 141452), (290, 70726), (580, 35363)]