20974800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:266

約数の個数: 240

約数和(自身を含む): 84137472

約数和(自身を除く): 63162672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 48, 50, 55, 56, 60, 66, 70, 75, 77, 80, 84, 88, 100, 105, 110, 112, 120, 132, 140, 150, 154, 165, 168, 175, 176, 200, 210, 220, 227, 231, 240, 264, 275, 280, 300, 308, 330, 336, 350, 385, 400, 420, 440, 454, 462, 525, 528, 550, 560, 600, 616, 660, 681, 700, 770, 825, 840, 880, 908, 924, 1050, 1100, 1135, 1155, 1200, 1232, 1320, 1362, 1400, 1540, 1589, 1650, 1680, 1816, 1848, 1925, 2100, 2200, 2270, 2310, 2497, 2640, 2724, 2800, 3080, 3178, 3300, 3405, 3632, 3696, 3850, 4200, 4400, 4540, 4620, 4767, 4994, 5448, 5675, 5775, 6160, 6356, 6600, 6810, 7491, 7700, 7945, 8400, 9080, 9240, 9534, 9988, 10896, 11350, 11550, 12485, 12712, 13200, 13620, 14982, 15400, 15890, 17025, 17479, 18160, 18480, 19068, 19976, 22700, 23100, 23835, 24970, 25424, 27240, 29964, 30800, 31780, 34050, 34958, 37455, 38136, 39725, 39952, 45400, 46200, 47670, 49940, 52437, 54480, 59928, 62425, 63560, 68100, 69916, 74910, 76272, 79450, 87395, 90800, 92400, 95340, 99880, 104874, 119175, 119856, 124850, 127120, 136200, 139832, 149820, 158900, 174790, 187275, 190680, 199760, 209748, 238350, 249700, 262185, 272400, 279664, 299640, 317800, 349580, 374550, 381360, 419496, 436975, 476700, 499400, 524370, 599280, 635600, 699160, 749100, 838992, 873950, 953400, 998800, 1048740, 1310925, 1398320, 1498200, 1747900, 1906800, 2097480, 2621850, 2996400, 3495800, 4194960, 5243700, 6991600, 10487400, 20974800]

約数ペア:

[(1, 20974800), (2, 10487400), (3, 6991600), (4, 5243700), (5, 4194960), (6, 3495800), (7, 2996400), (8, 2621850), (10, 2097480), (11, 1906800), (12, 1747900), (14, 1498200), (15, 1398320), (16, 1310925), (20, 1048740), (21, 998800), (22, 953400), (24, 873950), (25, 838992), (28, 749100), (30, 699160), (33, 635600), (35, 599280), (40, 524370), (42, 499400), (44, 476700), (48, 436975), (50, 419496), (55, 381360), (56, 374550), (60, 349580), (66, 317800), (70, 299640), (75, 279664), (77, 272400), (80, 262185), (84, 249700), (88, 238350), (100, 209748), (105, 199760), (110, 190680), (112, 187275), (120, 174790), (132, 158900), (140, 149820), (150, 139832), (154, 136200), (165, 127120), (168, 124850), (175, 119856), (176, 119175), (200, 104874), (210, 99880), (220, 95340), (227, 92400), (231, 90800), (240, 87395), (264, 79450), (275, 76272), (280, 74910), (300, 69916), (308, 68100), (330, 63560), (336, 62425), (350, 59928), (385, 54480), (400, 52437), (420, 49940), (440, 47670), (454, 46200), (462, 45400), (525, 39952), (528, 39725), (550, 38136), (560, 37455), (600, 34958), (616, 34050), (660, 31780), (681, 30800), (700, 29964), (770, 27240), (825, 25424), (840, 24970), (880, 23835), (908, 23100), (924, 22700), (1050, 19976), (1100, 19068), (1135, 18480), (1155, 18160), (1200, 17479), (1232, 17025), (1320, 15890), (1362, 15400), (1400, 14982), (1540, 13620), (1589, 13200), (1650, 12712), (1680, 12485), (1816, 11550), (1848, 11350), (1925, 10896), (2100, 9988), (2200, 9534), (2270, 9240), (2310, 9080), (2497, 8400), (2640, 7945), (2724, 7700), (2800, 7491), (3080, 6810), (3178, 6600), (3300, 6356), (3405, 6160), (3632, 5775), (3696, 5675), (3850, 5448), (4200, 4994), (4400, 4767), (4540, 4620)]