20657176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{787}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 41275440

約数和(自身を除く): 20618264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 193, 386, 772, 787, 1544, 1574, 3148, 3281, 6296, 6562, 13124, 13379, 26248, 26758, 53516, 107032, 151891, 303782, 607564, 1215128, 2582147, 5164294, 10328588, 20657176]

約数ペア:

[(1, 20657176), (2, 10328588), (4, 5164294), (8, 2582147), (17, 1215128), (34, 607564), (68, 303782), (136, 151891), (193, 107032), (386, 53516), (772, 26758), (787, 26248), (1544, 13379), (1574, 13124), (3148, 6562), (3281, 6296)]