20000750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 46725120

約数和(自身を除く): 26724370

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 154, 175, 250, 275, 350, 385, 550, 770, 875, 1039, 1375, 1750, 1925, 2078, 2750, 3850, 5195, 7273, 9625, 10390, 11429, 14546, 19250, 22858, 25975, 36365, 51950, 57145, 72730, 80003, 114290, 129875, 160006, 181825, 259750, 285725, 363650, 400015, 571450, 800030, 909125, 1428625, 1818250, 2000075, 2857250, 4000150, 10000375, 20000750]

約数ペア:

[(1, 20000750), (2, 10000375), (5, 4000150), (7, 2857250), (10, 2000075), (11, 1818250), (14, 1428625), (22, 909125), (25, 800030), (35, 571450), (50, 400015), (55, 363650), (70, 285725), (77, 259750), (110, 181825), (125, 160006), (154, 129875), (175, 114290), (250, 80003), (275, 72730), (350, 57145), (385, 51950), (550, 36365), (770, 25975), (875, 22858), (1039, 19250), (1375, 14546), (1750, 11429), (1925, 10390), (2078, 9625), (2750, 7273), (3850, 5195)]