16659220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8087}}^1$

素因数の和:8199

約数の個数: 24

約数和(自身を含む): 35328384

約数和(自身を除く): 18669164

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 8087, 16174, 32348, 40435, 80870, 161740, 832961, 1665922, 3331844, 4164805, 8329610, 16659220]

約数ペア:

[(1, 16659220), (2, 8329610), (4, 4164805), (5, 3331844), (10, 1665922), (20, 832961), (103, 161740), (206, 80870), (412, 40435), (515, 32348), (1030, 16174), (2060, 8087)]