20658808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{151903}}^1$

素因数の和:151926

約数の個数: 16

約数和(自身を含む): 41014080

約数和(自身を除く): 20355272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 151903, 303806, 607612, 1215224, 2582351, 5164702, 10329404, 20658808]

約数ペア:

[(1, 20658808), (2, 10329404), (4, 5164702), (8, 2582351), (17, 1215224), (34, 607612), (68, 303806), (136, 151903)]