16931020

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1009}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 35632800

約数和(自身を除く): 18701780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1009, 1678, 2018, 3356, 4036, 4195, 5045, 8390, 10090, 16780, 20180, 846551, 1693102, 3386204, 4232755, 8465510, 16931020]

約数ペア:

[(1, 16931020), (2, 8465510), (4, 4232755), (5, 3386204), (10, 1693102), (20, 846551), (839, 20180), (1009, 16780), (1678, 10090), (2018, 8390), (3356, 5045), (4036, 4195)]