20721621312

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{90163}}^1$

素因数の和:90210

約数の個数: 224

約数和(自身を含む): 73285299200

約数和(自身を除く): 52563677888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 64, 72, 76, 84, 96, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 192, 216, 224, 228, 252, 266, 288, 304, 336, 342, 378, 399, 432, 448, 456, 504, 513, 532, 576, 608, 672, 684, 756, 798, 864, 912, 1008, 1026, 1064, 1197, 1216, 1344, 1368, 1512, 1596, 1728, 1824, 2016, 2052, 2128, 2394, 2736, 3024, 3192, 3591, 3648, 4032, 4104, 4256, 4788, 5472, 6048, 6384, 7182, 8208, 8512, 9576, 10944, 12096, 12768, 14364, 16416, 19152, 25536, 28728, 32832, 38304, 57456, 76608, 90163, 114912, 180326, 229824, 270489, 360652, 540978, 631141, 721304, 811467, 1081956, 1262282, 1442608, 1622934, 1713097, 1893423, 2163912, 2434401, 2524564, 2885216, 3245868, 3426194, 3786846, 4327824, 4868802, 5049128, 5139291, 5680269, 5770432, 6491736, 6852388, 7573692, 8655648, 9737604, 10098256, 10278582, 11360538, 11991679, 12983472, 13704776, 15147384, 15417873, 17040807, 17311296, 19475208, 20196512, 20557164, 22721076, 23983358, 25966944, 27409552, 30294768, 30835746, 34081614, 35975037, 38950416, 40393024, 41114328, 45442152, 46253619, 47966716, 51933888, 54819104, 60589536, 61671492, 68163228, 71950074, 77900832, 82228656, 90884304, 92507238, 95933432, 107925111, 109638208, 121179072, 123342984, 136326456, 143900148, 155801664, 164457312, 181768608, 185014476, 191866864, 215850222, 246685968, 272652912, 287800296, 323775333, 328914624, 363537216, 370028952, 383733728, 431700444, 493371936, 545305824, 575600592, 647550666, 740057904, 767467456, 863400888, 986743872, 1090611648, 1151201184, 1295101332, 1480115808, 1726801776, 2302402368, 2590202664, 2960231616, 3453603552, 5180405328, 6907207104, 10360810656, 20721621312]

約数ペア:

[(1, 20721621312), (2, 10360810656), (3, 6907207104), (4, 5180405328), (6, 3453603552), (7, 2960231616), (8, 2590202664), (9, 2302402368), (12, 1726801776), (14, 1480115808), (16, 1295101332), (18, 1151201184), (19, 1090611648), (21, 986743872), (24, 863400888), (27, 767467456), (28, 740057904), (32, 647550666), (36, 575600592), (38, 545305824), (42, 493371936), (48, 431700444), (54, 383733728), (56, 370028952), (57, 363537216), (63, 328914624), (64, 323775333), (72, 287800296), (76, 272652912), (84, 246685968), (96, 215850222), (108, 191866864), (112, 185014476), (114, 181768608), (126, 164457312), (133, 155801664), (144, 143900148), (152, 136326456), (168, 123342984), (171, 121179072), (189, 109638208), (192, 107925111), (216, 95933432), (224, 92507238), (228, 90884304), (252, 82228656), (266, 77900832), (288, 71950074), (304, 68163228), (336, 61671492), (342, 60589536), (378, 54819104), (399, 51933888), (432, 47966716), (448, 46253619), (456, 45442152), (504, 41114328), (513, 40393024), (532, 38950416), (576, 35975037), (608, 34081614), (672, 30835746), (684, 30294768), (756, 27409552), (798, 25966944), (864, 23983358), (912, 22721076), (1008, 20557164), (1026, 20196512), (1064, 19475208), (1197, 17311296), (1216, 17040807), (1344, 15417873), (1368, 15147384), (1512, 13704776), (1596, 12983472), (1728, 11991679), (1824, 11360538), (2016, 10278582), (2052, 10098256), (2128, 9737604), (2394, 8655648), (2736, 7573692), (3024, 6852388), (3192, 6491736), (3591, 5770432), (3648, 5680269), (4032, 5139291), (4104, 5049128), (4256, 4868802), (4788, 4327824), (5472, 3786846), (6048, 3426194), (6384, 3245868), (7182, 2885216), (8208, 2524564), (8512, 2434401), (9576, 2163912), (10944, 1893423), (12096, 1713097), (12768, 1622934), (14364, 1442608), (16416, 1262282), (19152, 1081956), (25536, 811467), (28728, 721304), (32832, 631141), (38304, 540978), (57456, 360652), (76608, 270489), (90163, 229824), (114912, 180326)]