20581832

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151337}}^1$

素因数の和:151360

約数の個数: 16

約数和(自身を含む): 40861260

約数和(自身を除く): 20279428

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151337, 302674, 605348, 1210696, 2572729, 5145458, 10290916, 20581832]

約数ペア:

[(1, 20581832), (2, 10290916), (4, 5145458), (8, 2572729), (17, 1210696), (34, 605348), (68, 302674), (136, 151337)]