20493131006

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1\times {\mathrm{10429}}^1$

素因数の和:10860

約数の個数: 32

約数和(自身を含む): 31990395360

約数和(自身を除く): 11497264354

約数列:

[1, 2, 43, 73, 86, 146, 313, 626, 3139, 6278, 10429, 13459, 20858, 22849, 26918, 45698, 448447, 761317, 896894, 982507, 1522634, 1965014, 3264277, 6528554, 32736631, 65473262, 140363911, 238292221, 280727822, 476584442, 10246565503, 20493131006]

約数ペア:

[(1, 20493131006), (2, 10246565503), (43, 476584442), (73, 280727822), (86, 238292221), (146, 140363911), (313, 65473262), (626, 32736631), (3139, 6528554), (6278, 3264277), (10429, 1965014), (13459, 1522634), (20858, 982507), (22849, 896894), (26918, 761317), (45698, 448447)]