2020093775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 3142656000

約数和(自身を除く): 1122562225

約数列:

[1, 5, 7, 19, 25, 35, 43, 71, 95, 133, 175, 199, 215, 301, 355, 475, 497, 665, 817, 995, 1075, 1349, 1393, 1505, 1775, 2485, 3053, 3325, 3781, 4085, 4975, 5719, 6745, 6965, 7525, 8557, 9443, 12425, 14129, 15265, 18905, 20425, 21371, 26467, 28595, 33725, 34825, 42785, 47215, 58007, 59899, 70645, 76325, 94525, 98903, 106855, 132335, 142975, 162583, 213925, 236075, 268451, 290035, 299495, 353225, 406049, 494515, 534275, 607547, 661675, 812915, 1138081, 1342255, 1450175, 1497475, 1879157, 2030245, 2472575, 3037735, 4064575, 4252829, 5690405, 6711275, 9395785, 10151225, 11543393, 15188675, 21264145, 28452025, 46978925, 57716965, 80803751, 106320725, 288584825, 404018755, 2020093775]

約数ペア:

[(1, 2020093775), (5, 404018755), (7, 288584825), (19, 106320725), (25, 80803751), (35, 57716965), (43, 46978925), (71, 28452025), (95, 21264145), (133, 15188675), (175, 11543393), (199, 10151225), (215, 9395785), (301, 6711275), (355, 5690405), (475, 4252829), (497, 4064575), (665, 3037735), (817, 2472575), (995, 2030245), (1075, 1879157), (1349, 1497475), (1393, 1450175), (1505, 1342255), (1775, 1138081), (2485, 812915), (3053, 661675), (3325, 607547), (3781, 534275), (4085, 494515), (4975, 406049), (5719, 353225), (6745, 299495), (6965, 290035), (7525, 268451), (8557, 236075), (9443, 213925), (12425, 162583), (14129, 142975), (15265, 132335), (18905, 106855), (20425, 98903), (21371, 94525), (26467, 76325), (28595, 70645), (33725, 59899), (34825, 58007), (42785, 47215)]