20206720800

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{400927}}^1$

素因数の和:400960

約数の個数: 216

約数和(自身を含む): 81433287936

約数和(自身を除く): 61226567136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 336, 350, 360, 400, 420, 450, 480, 504, 525, 560, 600, 630, 672, 700, 720, 800, 840, 900, 1008, 1050, 1120, 1200, 1260, 1400, 1440, 1575, 1680, 1800, 2016, 2100, 2400, 2520, 2800, 3150, 3360, 3600, 4200, 5040, 5600, 6300, 7200, 8400, 10080, 12600, 16800, 25200, 50400, 400927, 801854, 1202781, 1603708, 2004635, 2405562, 2806489, 3207416, 3608343, 4009270, 4811124, 5612978, 6013905, 6414832, 7216686, 8018540, 8419467, 9622248, 10023175, 11225956, 12027810, 12829664, 14032445, 14433372, 16037080, 16838934, 18041715, 19244496, 20046350, 22451912, 24055620, 25258401, 28064890, 28866744, 30069525, 32074160, 33677868, 36083430, 38488992, 40092700, 42097335, 44903824, 48111240, 50516802, 56129780, 57733488, 60139050, 64148320, 67355736, 70162225, 72166860, 80185400, 84194670, 89807648, 90208575, 96222480, 101033604, 112259560, 115466976, 120278100, 126292005, 134711472, 140324450, 144333720, 160370800, 168389340, 180417150, 192444960, 202067208, 210486675, 224519120, 240556200, 252584010, 269422944, 280648900, 288667440, 320741600, 336778680, 360834300, 404134416, 420973350, 449038240, 481112400, 505168020, 561297800, 577334880, 631460025, 673557360, 721668600, 808268832, 841946700, 962224800, 1010336040, 1122595600, 1262920050, 1347114720, 1443337200, 1683893400, 2020672080, 2245191200, 2525840100, 2886674400, 3367786800, 4041344160, 5051680200, 6735573600, 10103360400, 20206720800]

約数ペア:

[(1, 20206720800), (2, 10103360400), (3, 6735573600), (4, 5051680200), (5, 4041344160), (6, 3367786800), (7, 2886674400), (8, 2525840100), (9, 2245191200), (10, 2020672080), (12, 1683893400), (14, 1443337200), (15, 1347114720), (16, 1262920050), (18, 1122595600), (20, 1010336040), (21, 962224800), (24, 841946700), (25, 808268832), (28, 721668600), (30, 673557360), (32, 631460025), (35, 577334880), (36, 561297800), (40, 505168020), (42, 481112400), (45, 449038240), (48, 420973350), (50, 404134416), (56, 360834300), (60, 336778680), (63, 320741600), (70, 288667440), (72, 280648900), (75, 269422944), (80, 252584010), (84, 240556200), (90, 224519120), (96, 210486675), (100, 202067208), (105, 192444960), (112, 180417150), (120, 168389340), (126, 160370800), (140, 144333720), (144, 140324450), (150, 134711472), (160, 126292005), (168, 120278100), (175, 115466976), (180, 112259560), (200, 101033604), (210, 96222480), (224, 90208575), (225, 89807648), (240, 84194670), (252, 80185400), (280, 72166860), (288, 70162225), (300, 67355736), (315, 64148320), (336, 60139050), (350, 57733488), (360, 56129780), (400, 50516802), (420, 48111240), (450, 44903824), (480, 42097335), (504, 40092700), (525, 38488992), (560, 36083430), (600, 33677868), (630, 32074160), (672, 30069525), (700, 28866744), (720, 28064890), (800, 25258401), (840, 24055620), (900, 22451912), (1008, 20046350), (1050, 19244496), (1120, 18041715), (1200, 16838934), (1260, 16037080), (1400, 14433372), (1440, 14032445), (1575, 12829664), (1680, 12027810), (1800, 11225956), (2016, 10023175), (2100, 9622248), (2400, 8419467), (2520, 8018540), (2800, 7216686), (3150, 6414832), (3360, 6013905), (3600, 5612978), (4200, 4811124), (5040, 4009270), (5600, 3608343), (6300, 3207416), (7200, 2806489), (8400, 2405562), (10080, 2004635), (12600, 1603708), (16800, 1202781), (25200, 801854), (50400, 400927)]