20219350900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{704507}}^1$

素因数の和:704569

約数の個数: 72

約数和(自身を含む): 51367087296

約数和(自身を除く): 31147736396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 820, 1025, 1148, 1435, 2050, 2870, 4100, 5740, 7175, 14350, 28700, 704507, 1409014, 2818028, 3522535, 4931549, 7045070, 9863098, 14090140, 17612675, 19726196, 24657745, 28884787, 35225350, 49315490, 57769574, 70450700, 98630980, 115539148, 123288725, 144423935, 202193509, 246577450, 288847870, 404387018, 493154900, 577695740, 722119675, 808774036, 1010967545, 1444239350, 2021935090, 2888478700, 4043870180, 5054837725, 10109675450, 20219350900]

約数ペア:

[(1, 20219350900), (2, 10109675450), (4, 5054837725), (5, 4043870180), (7, 2888478700), (10, 2021935090), (14, 1444239350), (20, 1010967545), (25, 808774036), (28, 722119675), (35, 577695740), (41, 493154900), (50, 404387018), (70, 288847870), (82, 246577450), (100, 202193509), (140, 144423935), (164, 123288725), (175, 115539148), (205, 98630980), (287, 70450700), (350, 57769574), (410, 49315490), (574, 35225350), (700, 28884787), (820, 24657745), (1025, 19726196), (1148, 17612675), (1435, 14090140), (2050, 9863098), (2870, 7045070), (4100, 4931549), (5740, 3522535), (7175, 2818028), (14350, 1409014), (28700, 704507)]