20688420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344807}}^1$

素因数の和:344819

約数の個数: 24

約数和(自身を含む): 57927744

約数和(自身を除く): 37239324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344807, 689614, 1034421, 1379228, 1724035, 2068842, 3448070, 4137684, 5172105, 6896140, 10344210, 20688420]

約数ペア:

[(1, 20688420), (2, 10344210), (3, 6896140), (4, 5172105), (5, 4137684), (6, 3448070), (10, 2068842), (12, 1724035), (15, 1379228), (20, 1034421), (30, 689614), (60, 344807)]