16720216

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{29437}}^1$

素因数の和:29514

約数の個数: 16

約数和(自身を含む): 31793040

約数和(自身を除く): 15072824

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 29437, 58874, 117748, 235496, 2090027, 4180054, 8360108, 16720216]

約数ペア:

[(1, 16720216), (2, 8360108), (4, 4180054), (8, 2090027), (71, 235496), (142, 117748), (284, 58874), (568, 29437)]