20403721778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1297}}^1\times {\mathrm{1433}}^1$

素因数の和:3242

約数の個数: 32

約数和(自身を含む): 33503976000

約数和(自身を除く): 13100254222

約数列:

[1, 2, 11, 22, 499, 998, 1297, 1433, 2594, 2866, 5489, 10978, 14267, 15763, 28534, 31526, 647203, 715067, 1294406, 1430134, 1858601, 3717202, 7119233, 7865737, 14238466, 15731474, 20444611, 40889222, 927441899, 1854883798, 10201860889, 20403721778]

約数ペア:

[(1, 20403721778), (2, 10201860889), (11, 1854883798), (22, 927441899), (499, 40889222), (998, 20444611), (1297, 15731474), (1433, 14238466), (2594, 7865737), (2866, 7119233), (5489, 3717202), (10978, 1858601), (14267, 1430134), (15763, 1294406), (28534, 715067), (31526, 647203)]