20815792128

素因数分解:

$2^{11}\times 3^5\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:465

約数の個数: 288

約数和(自身を含む): 62985948480

約数和(自身を除く): 42170156352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 151, 162, 192, 216, 243, 256, 277, 288, 302, 324, 384, 432, 453, 486, 512, 554, 576, 604, 648, 768, 831, 864, 906, 972, 1024, 1108, 1152, 1208, 1296, 1359, 1536, 1662, 1728, 1812, 1944, 2048, 2216, 2304, 2416, 2493, 2592, 2718, 3072, 3324, 3456, 3624, 3888, 4077, 4432, 4608, 4832, 4986, 5184, 5436, 6144, 6648, 6912, 7248, 7479, 7776, 8154, 8864, 9216, 9664, 9972, 10368, 10872, 12231, 13296, 13824, 14496, 14958, 15552, 16308, 17728, 18432, 19328, 19944, 20736, 21744, 22437, 24462, 26592, 27648, 28992, 29916, 31104, 32616, 35456, 36693, 38656, 39888, 41472, 41827, 43488, 44874, 48924, 53184, 55296, 57984, 59832, 62208, 65232, 67311, 70912, 73386, 77312, 79776, 82944, 83654, 86976, 89748, 97848, 106368, 115968, 119664, 124416, 125481, 130464, 134622, 141824, 146772, 154624, 159552, 165888, 167308, 173952, 179496, 195696, 212736, 231936, 239328, 248832, 250962, 260928, 269244, 283648, 293544, 309248, 319104, 334616, 347904, 358992, 376443, 391392, 425472, 463872, 478656, 497664, 501924, 521856, 538488, 567296, 587088, 638208, 669232, 695808, 717984, 752886, 782784, 850944, 927744, 957312, 1003848, 1043712, 1076976, 1129329, 1174176, 1276416, 1338464, 1391616, 1435968, 1505772, 1565568, 1701888, 1914624, 2007696, 2087424, 2153952, 2258658, 2348352, 2552832, 2676928, 2783232, 2871936, 3011544, 3131136, 3387987, 3829248, 4015392, 4174848, 4307904, 4517316, 4696704, 5105664, 5353856, 5743872, 6023088, 6262272, 6775974, 7658496, 8030784, 8349696, 8615808, 9034632, 9393408, 10163961, 10707712, 11487744, 12046176, 12524544, 13551948, 15316992, 16061568, 17231616, 18069264, 18786816, 20327922, 21415424, 22975488, 24092352, 25049088, 27103896, 32123136, 34463232, 36138528, 37573632, 40655844, 42830848, 45950976, 48184704, 54207792, 64246272, 68926464, 72277056, 75147264, 81311688, 85661696, 96369408, 108415584, 128492544, 137852928, 144554112, 162623376, 192738816, 216831168, 256985088, 289108224, 325246752, 385477632, 433662336, 578216448, 650493504, 770955264, 867324672, 1156432896, 1300987008, 1734649344, 2312865792, 2601974016, 3469298688, 5203948032, 6938597376, 10407896064, 20815792128]

約数ペア:

[(1, 20815792128), (2, 10407896064), (3, 6938597376), (4, 5203948032), (6, 3469298688), (8, 2601974016), (9, 2312865792), (12, 1734649344), (16, 1300987008), (18, 1156432896), (24, 867324672), (27, 770955264), (32, 650493504), (36, 578216448), (48, 433662336), (54, 385477632), (64, 325246752), (72, 289108224), (81, 256985088), (96, 216831168), (108, 192738816), (128, 162623376), (144, 144554112), (151, 137852928), (162, 128492544), (192, 108415584), (216, 96369408), (243, 85661696), (256, 81311688), (277, 75147264), (288, 72277056), (302, 68926464), (324, 64246272), (384, 54207792), (432, 48184704), (453, 45950976), (486, 42830848), (512, 40655844), (554, 37573632), (576, 36138528), (604, 34463232), (648, 32123136), (768, 27103896), (831, 25049088), (864, 24092352), (906, 22975488), (972, 21415424), (1024, 20327922), (1108, 18786816), (1152, 18069264), (1208, 17231616), (1296, 16061568), (1359, 15316992), (1536, 13551948), (1662, 12524544), (1728, 12046176), (1812, 11487744), (1944, 10707712), (2048, 10163961), (2216, 9393408), (2304, 9034632), (2416, 8615808), (2493, 8349696), (2592, 8030784), (2718, 7658496), (3072, 6775974), (3324, 6262272), (3456, 6023088), (3624, 5743872), (3888, 5353856), (4077, 5105664), (4432, 4696704), (4608, 4517316), (4832, 4307904), (4986, 4174848), (5184, 4015392), (5436, 3829248), (6144, 3387987), (6648, 3131136), (6912, 3011544), (7248, 2871936), (7479, 2783232), (7776, 2676928), (8154, 2552832), (8864, 2348352), (9216, 2258658), (9664, 2153952), (9972, 2087424), (10368, 2007696), (10872, 1914624), (12231, 1701888), (13296, 1565568), (13824, 1505772), (14496, 1435968), (14958, 1391616), (15552, 1338464), (16308, 1276416), (17728, 1174176), (18432, 1129329), (19328, 1076976), (19944, 1043712), (20736, 1003848), (21744, 957312), (22437, 927744), (24462, 850944), (26592, 782784), (27648, 752886), (28992, 717984), (29916, 695808), (31104, 669232), (32616, 638208), (35456, 587088), (36693, 567296), (38656, 538488), (39888, 521856), (41472, 501924), (41827, 497664), (43488, 478656), (44874, 463872), (48924, 425472), (53184, 391392), (55296, 376443), (57984, 358992), (59832, 347904), (62208, 334616), (65232, 319104), (67311, 309248), (70912, 293544), (73386, 283648), (77312, 269244), (79776, 260928), (82944, 250962), (83654, 248832), (86976, 239328), (89748, 231936), (97848, 212736), (106368, 195696), (115968, 179496), (119664, 173952), (124416, 167308), (125481, 165888), (130464, 159552), (134622, 154624), (141824, 146772)]