20743247

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5623}}^1$

素因数の和:5678

約数の個数: 16

約数和(自身を含む): 25915392

約数和(自身を除く): 5172145

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5623, 39361, 95591, 174313, 669137, 1220191, 2963321, 20743247]

約数ペア:

[(1, 20743247), (7, 2963321), (17, 1220191), (31, 669137), (119, 174313), (217, 95591), (527, 39361), (3689, 5623)]