20674500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:219

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 54804540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 125, 132, 140, 150, 154, 165, 175, 179, 210, 220, 231, 250, 275, 300, 308, 330, 350, 358, 375, 385, 420, 462, 500, 525, 537, 550, 660, 700, 716, 750, 770, 825, 875, 895, 924, 1050, 1074, 1100, 1155, 1253, 1375, 1500, 1540, 1650, 1750, 1790, 1925, 1969, 2100, 2148, 2310, 2506, 2625, 2685, 2750, 3300, 3500, 3580, 3759, 3850, 3938, 4125, 4475, 4620, 5012, 5250, 5370, 5500, 5775, 5907, 6265, 7518, 7700, 7876, 8250, 8950, 9625, 9845, 10500, 10740, 11550, 11814, 12530, 13425, 13783, 15036, 16500, 17900, 18795, 19250, 19690, 22375, 23100, 23628, 25060, 26850, 27566, 28875, 29535, 31325, 37590, 38500, 39380, 41349, 44750, 49225, 53700, 55132, 57750, 59070, 62650, 67125, 68915, 75180, 82698, 89500, 93975, 98450, 115500, 118140, 125300, 134250, 137830, 147675, 156625, 165396, 187950, 196900, 206745, 246125, 268500, 275660, 295350, 313250, 344575, 375900, 413490, 469875, 492250, 590700, 626500, 689150, 738375, 826980, 939750, 984500, 1033725, 1378300, 1476750, 1722875, 1879500, 2067450, 2953500, 3445750, 4134900, 5168625, 6891500, 10337250, 20674500]

約数ペア:

[(1, 20674500), (2, 10337250), (3, 6891500), (4, 5168625), (5, 4134900), (6, 3445750), (7, 2953500), (10, 2067450), (11, 1879500), (12, 1722875), (14, 1476750), (15, 1378300), (20, 1033725), (21, 984500), (22, 939750), (25, 826980), (28, 738375), (30, 689150), (33, 626500), (35, 590700), (42, 492250), (44, 469875), (50, 413490), (55, 375900), (60, 344575), (66, 313250), (70, 295350), (75, 275660), (77, 268500), (84, 246125), (100, 206745), (105, 196900), (110, 187950), (125, 165396), (132, 156625), (140, 147675), (150, 137830), (154, 134250), (165, 125300), (175, 118140), (179, 115500), (210, 98450), (220, 93975), (231, 89500), (250, 82698), (275, 75180), (300, 68915), (308, 67125), (330, 62650), (350, 59070), (358, 57750), (375, 55132), (385, 53700), (420, 49225), (462, 44750), (500, 41349), (525, 39380), (537, 38500), (550, 37590), (660, 31325), (700, 29535), (716, 28875), (750, 27566), (770, 26850), (825, 25060), (875, 23628), (895, 23100), (924, 22375), (1050, 19690), (1074, 19250), (1100, 18795), (1155, 17900), (1253, 16500), (1375, 15036), (1500, 13783), (1540, 13425), (1650, 12530), (1750, 11814), (1790, 11550), (1925, 10740), (1969, 10500), (2100, 9845), (2148, 9625), (2310, 8950), (2506, 8250), (2625, 7876), (2685, 7700), (2750, 7518), (3300, 6265), (3500, 5907), (3580, 5775), (3759, 5500), (3850, 5370), (3938, 5250), (4125, 5012), (4475, 4620)]