16782020

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1723}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 35335104

約数和(自身を除く): 18553084

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1723, 1948, 2435, 3446, 4870, 6892, 8615, 9740, 17230, 34460, 839101, 1678202, 3356404, 4195505, 8391010, 16782020]

約数ペア:

[(1, 16782020), (2, 8391010), (4, 4195505), (5, 3356404), (10, 1678202), (20, 839101), (487, 34460), (974, 17230), (1723, 9740), (1948, 8615), (2435, 6892), (3446, 4870)]