20186377480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{115987}}^1$

素因数の和:116246

約数の個数: 64

約数和(自身を含む): 48019032000

約数和(自身を除く): 27832654520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 229, 380, 458, 760, 916, 1145, 1832, 2290, 4351, 4580, 8702, 9160, 17404, 21755, 34808, 43510, 87020, 115987, 174040, 231974, 463948, 579935, 927896, 1159870, 2203753, 2319740, 4407506, 4639480, 8815012, 11018765, 17630024, 22037530, 26561023, 44075060, 53122046, 88150120, 106244092, 132805115, 212488184, 265610230, 504659437, 531220460, 1009318874, 1062440920, 2018637748, 2523297185, 4037275496, 5046594370, 10093188740, 20186377480]

約数ペア:

[(1, 20186377480), (2, 10093188740), (4, 5046594370), (5, 4037275496), (8, 2523297185), (10, 2018637748), (19, 1062440920), (20, 1009318874), (38, 531220460), (40, 504659437), (76, 265610230), (95, 212488184), (152, 132805115), (190, 106244092), (229, 88150120), (380, 53122046), (458, 44075060), (760, 26561023), (916, 22037530), (1145, 17630024), (1832, 11018765), (2290, 8815012), (4351, 4639480), (4580, 4407506), (8702, 2319740), (9160, 2203753), (17404, 1159870), (21755, 927896), (34808, 579935), (43510, 463948), (87020, 231974), (115987, 174040)]