20779500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{1979}}^1$

素因数の和:2008

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 48409620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 700, 750, 875, 1050, 1500, 1750, 1979, 2100, 2625, 3500, 3958, 5250, 5937, 7916, 9895, 10500, 11874, 13853, 19790, 23748, 27706, 29685, 39580, 41559, 49475, 55412, 59370, 69265, 83118, 98950, 118740, 138530, 148425, 166236, 197900, 207795, 247375, 277060, 296850, 346325, 415590, 494750, 593700, 692650, 742125, 831180, 989500, 1038975, 1385300, 1484250, 1731625, 2077950, 2968500, 3463250, 4155900, 5194875, 6926500, 10389750, 20779500]

約数ペア:

[(1, 20779500), (2, 10389750), (3, 6926500), (4, 5194875), (5, 4155900), (6, 3463250), (7, 2968500), (10, 2077950), (12, 1731625), (14, 1484250), (15, 1385300), (20, 1038975), (21, 989500), (25, 831180), (28, 742125), (30, 692650), (35, 593700), (42, 494750), (50, 415590), (60, 346325), (70, 296850), (75, 277060), (84, 247375), (100, 207795), (105, 197900), (125, 166236), (140, 148425), (150, 138530), (175, 118740), (210, 98950), (250, 83118), (300, 69265), (350, 59370), (375, 55412), (420, 49475), (500, 41559), (525, 39580), (700, 29685), (750, 27706), (875, 23748), (1050, 19790), (1500, 13853), (1750, 11874), (1979, 10500), (2100, 9895), (2625, 7916), (3500, 5937), (3958, 5250)]