20614440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 256

約数和(自身を含む): 81285120

約数和(自身を除く): 60670680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 55, 56, 60, 66, 69, 70, 77, 84, 88, 92, 97, 105, 110, 115, 120, 132, 138, 140, 154, 161, 165, 168, 184, 194, 210, 220, 230, 231, 253, 264, 276, 280, 291, 308, 322, 330, 345, 385, 388, 420, 440, 460, 462, 483, 485, 506, 552, 582, 616, 644, 660, 679, 690, 759, 770, 776, 805, 840, 920, 924, 966, 970, 1012, 1067, 1155, 1164, 1265, 1288, 1320, 1358, 1380, 1455, 1518, 1540, 1610, 1771, 1848, 1932, 1940, 2024, 2037, 2134, 2231, 2310, 2328, 2415, 2530, 2716, 2760, 2910, 3036, 3080, 3201, 3220, 3395, 3542, 3795, 3864, 3880, 4074, 4268, 4462, 4620, 4830, 5060, 5313, 5335, 5432, 5820, 6072, 6402, 6440, 6693, 6790, 7084, 7469, 7590, 8148, 8536, 8855, 8924, 9240, 9660, 10120, 10185, 10626, 10670, 11155, 11640, 12804, 13386, 13580, 14168, 14938, 15180, 15617, 16005, 16296, 17710, 17848, 19320, 20370, 21252, 21340, 22310, 22407, 24541, 25608, 26565, 26772, 27160, 29876, 30360, 31234, 32010, 33465, 35420, 37345, 40740, 42504, 42680, 44620, 44814, 46851, 49082, 53130, 53544, 59752, 62468, 64020, 66930, 70840, 73623, 74690, 78085, 81480, 89240, 89628, 93702, 98164, 106260, 112035, 122705, 124936, 128040, 133860, 147246, 149380, 156170, 171787, 179256, 187404, 196328, 212520, 224070, 234255, 245410, 267720, 294492, 298760, 312340, 343574, 368115, 374808, 448140, 468510, 490820, 515361, 588984, 624680, 687148, 736230, 858935, 896280, 937020, 981640, 1030722, 1374296, 1472460, 1717870, 1874040, 2061444, 2576805, 2944920, 3435740, 4122888, 5153610, 6871480, 10307220, 20614440]

約数ペア:

[(1, 20614440), (2, 10307220), (3, 6871480), (4, 5153610), (5, 4122888), (6, 3435740), (7, 2944920), (8, 2576805), (10, 2061444), (11, 1874040), (12, 1717870), (14, 1472460), (15, 1374296), (20, 1030722), (21, 981640), (22, 937020), (23, 896280), (24, 858935), (28, 736230), (30, 687148), (33, 624680), (35, 588984), (40, 515361), (42, 490820), (44, 468510), (46, 448140), (55, 374808), (56, 368115), (60, 343574), (66, 312340), (69, 298760), (70, 294492), (77, 267720), (84, 245410), (88, 234255), (92, 224070), (97, 212520), (105, 196328), (110, 187404), (115, 179256), (120, 171787), (132, 156170), (138, 149380), (140, 147246), (154, 133860), (161, 128040), (165, 124936), (168, 122705), (184, 112035), (194, 106260), (210, 98164), (220, 93702), (230, 89628), (231, 89240), (253, 81480), (264, 78085), (276, 74690), (280, 73623), (291, 70840), (308, 66930), (322, 64020), (330, 62468), (345, 59752), (385, 53544), (388, 53130), (420, 49082), (440, 46851), (460, 44814), (462, 44620), (483, 42680), (485, 42504), (506, 40740), (552, 37345), (582, 35420), (616, 33465), (644, 32010), (660, 31234), (679, 30360), (690, 29876), (759, 27160), (770, 26772), (776, 26565), (805, 25608), (840, 24541), (920, 22407), (924, 22310), (966, 21340), (970, 21252), (1012, 20370), (1067, 19320), (1155, 17848), (1164, 17710), (1265, 16296), (1288, 16005), (1320, 15617), (1358, 15180), (1380, 14938), (1455, 14168), (1518, 13580), (1540, 13386), (1610, 12804), (1771, 11640), (1848, 11155), (1932, 10670), (1940, 10626), (2024, 10185), (2037, 10120), (2134, 9660), (2231, 9240), (2310, 8924), (2328, 8855), (2415, 8536), (2530, 8148), (2716, 7590), (2760, 7469), (2910, 7084), (3036, 6790), (3080, 6693), (3201, 6440), (3220, 6402), (3395, 6072), (3542, 5820), (3795, 5432), (3864, 5335), (3880, 5313), (4074, 5060), (4268, 4830), (4462, 4620)]