20499474240

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1016839}}^1$

素因数の和:1016869

約数の個数: 168

約数和(自身を含む): 80582536320

約数和(自身を除く): 60083062080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 1016839, 2033678, 3050517, 4067356, 5084195, 6101034, 7117873, 8134712, 9151551, 10168390, 12202068, 14235746, 15252585, 16269424, 18303102, 20336780, 21353619, 24404136, 28471492, 30505170, 32538848, 35589365, 36606204, 40673560, 42707238, 45757755, 48808272, 56942984, 61010340, 64060857, 65077696, 71178730, 73212408, 81347120, 85414476, 91515510, 97616544, 106768095, 113885968, 122020680, 128121714, 142357460, 146424816, 162694240, 170828952, 183031020, 195233088, 213536190, 227771936, 244041360, 256243428, 284714920, 292849632, 320304285, 325388480, 341657904, 366062040, 427072380, 455543872, 488082720, 512486856, 569429840, 585699264, 640608570, 683315808, 732124080, 854144760, 976165440, 1024973712, 1138859680, 1281217140, 1366631616, 1464248160, 1708289520, 2049947424, 2277719360, 2562434280, 2928496320, 3416579040, 4099894848, 5124868560, 6833158080, 10249737120, 20499474240]

約数ペア:

[(1, 20499474240), (2, 10249737120), (3, 6833158080), (4, 5124868560), (5, 4099894848), (6, 3416579040), (7, 2928496320), (8, 2562434280), (9, 2277719360), (10, 2049947424), (12, 1708289520), (14, 1464248160), (15, 1366631616), (16, 1281217140), (18, 1138859680), (20, 1024973712), (21, 976165440), (24, 854144760), (28, 732124080), (30, 683315808), (32, 640608570), (35, 585699264), (36, 569429840), (40, 512486856), (42, 488082720), (45, 455543872), (48, 427072380), (56, 366062040), (60, 341657904), (63, 325388480), (64, 320304285), (70, 292849632), (72, 284714920), (80, 256243428), (84, 244041360), (90, 227771936), (96, 213536190), (105, 195233088), (112, 183031020), (120, 170828952), (126, 162694240), (140, 146424816), (144, 142357460), (160, 128121714), (168, 122020680), (180, 113885968), (192, 106768095), (210, 97616544), (224, 91515510), (240, 85414476), (252, 81347120), (280, 73212408), (288, 71178730), (315, 65077696), (320, 64060857), (336, 61010340), (360, 56942984), (420, 48808272), (448, 45757755), (480, 42707238), (504, 40673560), (560, 36606204), (576, 35589365), (630, 32538848), (672, 30505170), (720, 28471492), (840, 24404136), (960, 21353619), (1008, 20336780), (1120, 18303102), (1260, 16269424), (1344, 15252585), (1440, 14235746), (1680, 12202068), (2016, 10168390), (2240, 9151551), (2520, 8134712), (2880, 7117873), (3360, 6101034), (4032, 5084195), (5040, 4067356), (6720, 3050517), (10080, 2033678), (20160, 1016839)]