20918687185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1\times {\mathrm{3187}}^1$

素因数の和:4245

約数の個数: 32

約数和(自身を含む): 27632461824

約数和(自身を除く): 6713774639

約数列:

[1, 5, 11, 55, 131, 655, 911, 1441, 3187, 4555, 7205, 10021, 15935, 35057, 50105, 119341, 175285, 417497, 596705, 1312751, 2087485, 2903357, 4592467, 6563755, 14516785, 22962335, 31936927, 159684635, 380339767, 1901698835, 4183737437, 20918687185]

約数ペア:

[(1, 20918687185), (5, 4183737437), (11, 1901698835), (55, 380339767), (131, 159684635), (655, 31936927), (911, 22962335), (1441, 14516785), (3187, 6563755), (4555, 4592467), (7205, 2903357), (10021, 2087485), (15935, 1312751), (35057, 596705), (50105, 417497), (119341, 175285)]