20028973107

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{562501}}^1$

素因数の和:562611

約数の個数: 32

約数和(自身を含む): 31752112896

約数和(自身を除く): 11723139789

約数列:

[1, 3, 11, 13, 33, 39, 83, 143, 249, 429, 913, 1079, 2739, 3237, 11869, 35607, 562501, 1687503, 6187511, 7312513, 18562533, 21937539, 46687583, 80437643, 140062749, 241312929, 513563413, 606938579, 1540690239, 1820815737, 6676324369, 20028973107]

約数ペア:

[(1, 20028973107), (3, 6676324369), (11, 1820815737), (13, 1540690239), (33, 606938579), (39, 513563413), (83, 241312929), (143, 140062749), (249, 80437643), (429, 46687583), (913, 21937539), (1079, 18562533), (2739, 7312513), (3237, 6187511), (11869, 1687503), (35607, 562501)]