20543259

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3329}}^1$

素因数の和:3371

約数の個数: 24

約数和(自身を含む): 31888080

約数和(自身を除く): 11344821

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3329, 6171, 9987, 36619, 56593, 109857, 169779, 402809, 622523, 1208427, 1867569, 6847753, 20543259]

約数ペア:

[(1, 20543259), (3, 6847753), (11, 1867569), (17, 1208427), (33, 622523), (51, 402809), (121, 169779), (187, 109857), (363, 56593), (561, 36619), (2057, 9987), (3329, 6171)]