20789344128

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2149

約数の個数: 256

約数和(自身を含む): 65214720000

約数和(自身を除く): 44425375872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 53, 56, 64, 73, 84, 96, 106, 112, 128, 146, 159, 168, 192, 212, 219, 224, 292, 318, 336, 371, 384, 424, 438, 448, 511, 584, 636, 672, 742, 848, 876, 896, 1022, 1113, 1168, 1272, 1344, 1484, 1533, 1696, 1752, 1999, 2044, 2226, 2336, 2544, 2688, 2968, 3066, 3392, 3504, 3869, 3998, 4088, 4452, 4672, 5088, 5936, 5997, 6132, 6784, 7008, 7738, 7996, 8176, 8904, 9344, 10176, 11607, 11872, 11994, 12264, 13993, 14016, 15476, 15992, 16352, 17808, 20352, 23214, 23744, 23988, 24528, 27083, 27986, 28032, 30952, 31984, 32704, 35616, 41979, 46428, 47488, 47976, 49056, 54166, 55972, 61904, 63968, 65408, 71232, 81249, 83958, 92856, 95952, 98112, 105947, 108332, 111944, 123808, 127936, 142464, 145927, 162498, 167916, 185712, 191904, 196224, 211894, 216664, 223888, 247616, 255872, 291854, 317841, 324996, 335832, 371424, 383808, 423788, 433328, 437781, 447776, 495232, 583708, 635682, 649992, 671664, 741629, 742848, 767616, 847576, 866656, 875562, 895552, 1021489, 1167416, 1271364, 1299984, 1343328, 1483258, 1485696, 1695152, 1733312, 1751124, 1791104, 2042978, 2224887, 2334832, 2542728, 2599968, 2686656, 2966516, 3064467, 3390304, 3466624, 3502248, 4085956, 4449774, 4669664, 5085456, 5199936, 5373312, 5933032, 6128934, 6780608, 7004496, 7734131, 8171912, 8899548, 9339328, 10170912, 10399872, 11866064, 12257868, 13561216, 14008992, 15468262, 16343824, 17799096, 18678656, 20341824, 23202393, 23732128, 24515736, 28017984, 30936524, 32687648, 35598192, 40683648, 46404786, 47464256, 49031472, 54138917, 56035968, 61873048, 65375296, 71196384, 92809572, 94928512, 98062944, 108277834, 123746096, 130750592, 142392768, 162416751, 185619144, 196125888, 216555668, 247492192, 284785536, 324833502, 371238288, 392251776, 433111336, 494984384, 649667004, 742476576, 866222672, 989968768, 1299334008, 1484953152, 1732445344, 2598668016, 2969906304, 3464890688, 5197336032, 6929781376, 10394672064, 20789344128]

約数ペア:

[(1, 20789344128), (2, 10394672064), (3, 6929781376), (4, 5197336032), (6, 3464890688), (7, 2969906304), (8, 2598668016), (12, 1732445344), (14, 1484953152), (16, 1299334008), (21, 989968768), (24, 866222672), (28, 742476576), (32, 649667004), (42, 494984384), (48, 433111336), (53, 392251776), (56, 371238288), (64, 324833502), (73, 284785536), (84, 247492192), (96, 216555668), (106, 196125888), (112, 185619144), (128, 162416751), (146, 142392768), (159, 130750592), (168, 123746096), (192, 108277834), (212, 98062944), (219, 94928512), (224, 92809572), (292, 71196384), (318, 65375296), (336, 61873048), (371, 56035968), (384, 54138917), (424, 49031472), (438, 47464256), (448, 46404786), (511, 40683648), (584, 35598192), (636, 32687648), (672, 30936524), (742, 28017984), (848, 24515736), (876, 23732128), (896, 23202393), (1022, 20341824), (1113, 18678656), (1168, 17799096), (1272, 16343824), (1344, 15468262), (1484, 14008992), (1533, 13561216), (1696, 12257868), (1752, 11866064), (1999, 10399872), (2044, 10170912), (2226, 9339328), (2336, 8899548), (2544, 8171912), (2688, 7734131), (2968, 7004496), (3066, 6780608), (3392, 6128934), (3504, 5933032), (3869, 5373312), (3998, 5199936), (4088, 5085456), (4452, 4669664), (4672, 4449774), (5088, 4085956), (5936, 3502248), (5997, 3466624), (6132, 3390304), (6784, 3064467), (7008, 2966516), (7738, 2686656), (7996, 2599968), (8176, 2542728), (8904, 2334832), (9344, 2224887), (10176, 2042978), (11607, 1791104), (11872, 1751124), (11994, 1733312), (12264, 1695152), (13993, 1485696), (14016, 1483258), (15476, 1343328), (15992, 1299984), (16352, 1271364), (17808, 1167416), (20352, 1021489), (23214, 895552), (23744, 875562), (23988, 866656), (24528, 847576), (27083, 767616), (27986, 742848), (28032, 741629), (30952, 671664), (31984, 649992), (32704, 635682), (35616, 583708), (41979, 495232), (46428, 447776), (47488, 437781), (47976, 433328), (49056, 423788), (54166, 383808), (55972, 371424), (61904, 335832), (63968, 324996), (65408, 317841), (71232, 291854), (81249, 255872), (83958, 247616), (92856, 223888), (95952, 216664), (98112, 211894), (105947, 196224), (108332, 191904), (111944, 185712), (123808, 167916), (127936, 162498), (142464, 145927)]