20195780157

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2524157}}^1$

素因数の和:2524297

約数の個数: 24

約数和(自身を含む): 33601591296

約数和(自身を除く): 13405811139

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 2524157, 7572471, 17669099, 22717413, 53007297, 159021891, 320567939, 961703817, 2243975573, 2885111451, 6731926719, 20195780157]

約数ペア:

[(1, 20195780157), (3, 6731926719), (7, 2885111451), (9, 2243975573), (21, 961703817), (63, 320567939), (127, 159021891), (381, 53007297), (889, 22717413), (1143, 17669099), (2667, 7572471), (8001, 2524157)]