16887340

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1021}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 35541072

約数和(自身を除く): 18653732

約数列:

[1, 2, 4, 5, 10, 20, 827, 1021, 1654, 2042, 3308, 4084, 4135, 5105, 8270, 10210, 16540, 20420, 844367, 1688734, 3377468, 4221835, 8443670, 16887340]

約数ペア:

[(1, 16887340), (2, 8443670), (4, 4221835), (5, 3377468), (10, 1688734), (20, 844367), (827, 20420), (1021, 16540), (1654, 10210), (2042, 8270), (3308, 5105), (4084, 4135)]