20517909984

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 576

約数和(自身を含む): 73274019840

約数和(自身を除く): 52756109856

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 31, 32, 33, 36, 39, 44, 48, 52, 54, 62, 66, 72, 78, 88, 93, 96, 99, 104, 108, 117, 121, 124, 132, 143, 144, 156, 176, 186, 198, 208, 216, 234, 242, 248, 264, 279, 286, 288, 297, 312, 341, 351, 352, 363, 372, 396, 403, 416, 429, 432, 468, 484, 487, 496, 528, 558, 572, 594, 624, 682, 702, 726, 744, 792, 806, 837, 858, 864, 936, 968, 974, 992, 1023, 1056, 1089, 1116, 1144, 1188, 1209, 1248, 1287, 1364, 1404, 1452, 1461, 1488, 1573, 1584, 1612, 1674, 1716, 1872, 1936, 1948, 2046, 2178, 2232, 2288, 2376, 2418, 2574, 2728, 2808, 2904, 2922, 2976, 3069, 3146, 3168, 3224, 3267, 3348, 3432, 3627, 3744, 3751, 3861, 3872, 3896, 4092, 4356, 4383, 4433, 4464, 4576, 4719, 4752, 4836, 5148, 5357, 5456, 5616, 5808, 5844, 6138, 6292, 6331, 6448, 6534, 6696, 6864, 7254, 7502, 7722, 7792, 8184, 8712, 8766, 8866, 8928, 9207, 9438, 9504, 9672, 10296, 10714, 10881, 10912, 11232, 11253, 11616, 11688, 12276, 12584, 12662, 12896, 13068, 13149, 13299, 13392, 13728, 14157, 14508, 15004, 15097, 15444, 15584, 16071, 16368, 17424, 17532, 17732, 18414, 18876, 18993, 19344, 20592, 21428, 21762, 22506, 23376, 24552, 25168, 25324, 26136, 26298, 26598, 26784, 28314, 29016, 30008, 30194, 30888, 32142, 32736, 33759, 34848, 35064, 35464, 36828, 37752, 37986, 38688, 39897, 41184, 42471, 42856, 43524, 45012, 45291, 46752, 48213, 48763, 49104, 50336, 50648, 52272, 52596, 53196, 56628, 56979, 58032, 58927, 60016, 60388, 61776, 64284, 67518, 69641, 70128, 70928, 73656, 75504, 75972, 79794, 84942, 85712, 87048, 90024, 90582, 96426, 97526, 98208, 101277, 101296, 104544, 105192, 106392, 113256, 113958, 116064, 117854, 119691, 120032, 120776, 123552, 128568, 135036, 135873, 139282, 140256, 141856, 144639, 146289, 147312, 151008, 151944, 159588, 166067, 169884, 170937, 171424, 174096, 176781, 180048, 181164, 192852, 195052, 196261, 202554, 202592, 208923, 210384, 212784, 226512, 227916, 235708, 239382, 241552, 257136, 270072, 271746, 278564, 289278, 292578, 294624, 303888, 319176, 332134, 339768, 341874, 348192, 353562, 360096, 362328, 385704, 390104, 392522, 405108, 407619, 417846, 420768, 425568, 438867, 453024, 455832, 471416, 478764, 483104, 498201, 514272, 530343, 540144, 543492, 557128, 578556, 585156, 588783, 607776, 626769, 638352, 664268, 679536, 683748, 707124, 724656, 766051, 771408, 780208, 785044, 810216, 815238, 835692, 877734, 911664, 942832, 957528, 996402, 1060686, 1080288, 1086984, 1114256, 1157112, 1170312, 1177566, 1253538, 1276704, 1316601, 1328536, 1359072, 1367496, 1414248, 1449312, 1494603, 1532102, 1542816, 1560416, 1570088, 1591029, 1620432, 1630476, 1671384, 1755468, 1766349, 1823328, 1826737, 1880307, 1885664, 1915056, 1992804, 2121372, 2158871, 2173968, 2228512, 2298153, 2314224, 2340624, 2355132, 2507076, 2633202, 2657072, 2734992, 2828496, 2989206, 3064204, 3140176, 3182058, 3240864, 3260952, 3342768, 3510936, 3532698, 3653474, 3760614, 3830112, 3985608, 4242744, 4317742, 4347936, 4483809, 4596306, 4628448, 4681248, 4710264, 5014152, 5266404, 5299047, 5314144, 5469984, 5480211, 5656992, 5978412, 6128408, 6280352, 6364116, 6476613, 6521904, 6685536, 6894459, 7021872, 7065396, 7306948, 7521228, 7971216, 8485488, 8635484, 8967618, 9192612, 9420528, 10028304, 10532808, 10598094, 10960422, 11956824, 12256816, 12728232, 12953226, 13043808, 13788918, 14043744, 14130792, 14613896, 15042456, 15942432, 16440633, 16970976, 17270968, 17935236, 18385224, 18841056, 19429839, 20056608, 20683377, 21065616, 21196188, 21920844, 23747581, 23913648, 24513632, 25456464, 25906452, 27577836, 28261584, 29227792, 30084912, 32881266, 34541936, 35870472, 36770448, 38859678, 41366754, 42131232, 42392376, 43841688, 47495162, 47827296, 49321899, 50912928, 51812904, 55155672, 56523168, 58289517, 58455584, 60169824, 65762532, 69083872, 71242743, 71740944, 73540896, 77719356, 82733508, 84784752, 87683376, 94990324, 98643798, 103625808, 110311344, 116579034, 131525064, 142485486, 143481888, 155438712, 165467016, 169569504, 175366752, 189980648, 197287596, 207251616, 213728229, 220622688, 233158068, 263050128, 284970972, 310877424, 330934032, 379961296, 394575192, 427456458, 466316136, 526100256, 569941944, 621754848, 641184687, 661868064, 759922592, 789150384, 854912916, 932632272, 1139883888, 1282369374, 1578300768, 1709825832, 1865264544, 2279767776, 2564738748, 3419651664, 5129477496, 6839303328, 10258954992, 20517909984]

約数ペア:

[(1, 20517909984), (2, 10258954992), (3, 6839303328), (4, 5129477496), (6, 3419651664), (8, 2564738748), (9, 2279767776), (11, 1865264544), (12, 1709825832), (13, 1578300768), (16, 1282369374), (18, 1139883888), (22, 932632272), (24, 854912916), (26, 789150384), (27, 759922592), (31, 661868064), (32, 641184687), (33, 621754848), (36, 569941944), (39, 526100256), (44, 466316136), (48, 427456458), (52, 394575192), (54, 379961296), (62, 330934032), (66, 310877424), (72, 284970972), (78, 263050128), (88, 233158068), (93, 220622688), (96, 213728229), (99, 207251616), (104, 197287596), (108, 189980648), (117, 175366752), (121, 169569504), (124, 165467016), (132, 155438712), (143, 143481888), (144, 142485486), (156, 131525064), (176, 116579034), (186, 110311344), (198, 103625808), (208, 98643798), (216, 94990324), (234, 87683376), (242, 84784752), (248, 82733508), (264, 77719356), (279, 73540896), (286, 71740944), (288, 71242743), (297, 69083872), (312, 65762532), (341, 60169824), (351, 58455584), (352, 58289517), (363, 56523168), (372, 55155672), (396, 51812904), (403, 50912928), (416, 49321899), (429, 47827296), (432, 47495162), (468, 43841688), (484, 42392376), (487, 42131232), (496, 41366754), (528, 38859678), (558, 36770448), (572, 35870472), (594, 34541936), (624, 32881266), (682, 30084912), (702, 29227792), (726, 28261584), (744, 27577836), (792, 25906452), (806, 25456464), (837, 24513632), (858, 23913648), (864, 23747581), (936, 21920844), (968, 21196188), (974, 21065616), (992, 20683377), (1023, 20056608), (1056, 19429839), (1089, 18841056), (1116, 18385224), (1144, 17935236), (1188, 17270968), (1209, 16970976), (1248, 16440633), (1287, 15942432), (1364, 15042456), (1404, 14613896), (1452, 14130792), (1461, 14043744), (1488, 13788918), (1573, 13043808), (1584, 12953226), (1612, 12728232), (1674, 12256816), (1716, 11956824), (1872, 10960422), (1936, 10598094), (1948, 10532808), (2046, 10028304), (2178, 9420528), (2232, 9192612), (2288, 8967618), (2376, 8635484), (2418, 8485488), (2574, 7971216), (2728, 7521228), (2808, 7306948), (2904, 7065396), (2922, 7021872), (2976, 6894459), (3069, 6685536), (3146, 6521904), (3168, 6476613), (3224, 6364116), (3267, 6280352), (3348, 6128408), (3432, 5978412), (3627, 5656992), (3744, 5480211), (3751, 5469984), (3861, 5314144), (3872, 5299047), (3896, 5266404), (4092, 5014152), (4356, 4710264), (4383, 4681248), (4433, 4628448), (4464, 4596306), (4576, 4483809), (4719, 4347936), (4752, 4317742), (4836, 4242744), (5148, 3985608), (5357, 3830112), (5456, 3760614), (5616, 3653474), (5808, 3532698), (5844, 3510936), (6138, 3342768), (6292, 3260952), (6331, 3240864), (6448, 3182058), (6534, 3140176), (6696, 3064204), (6864, 2989206), (7254, 2828496), (7502, 2734992), (7722, 2657072), (7792, 2633202), (8184, 2507076), (8712, 2355132), (8766, 2340624), (8866, 2314224), (8928, 2298153), (9207, 2228512), (9438, 2173968), (9504, 2158871), (9672, 2121372), (10296, 1992804), (10714, 1915056), (10881, 1885664), (10912, 1880307), (11232, 1826737), (11253, 1823328), (11616, 1766349), (11688, 1755468), (12276, 1671384), (12584, 1630476), (12662, 1620432), (12896, 1591029), (13068, 1570088), (13149, 1560416), (13299, 1542816), (13392, 1532102), (13728, 1494603), (14157, 1449312), (14508, 1414248), (15004, 1367496), (15097, 1359072), (15444, 1328536), (15584, 1316601), (16071, 1276704), (16368, 1253538), (17424, 1177566), (17532, 1170312), (17732, 1157112), (18414, 1114256), (18876, 1086984), (18993, 1080288), (19344, 1060686), (20592, 996402), (21428, 957528), (21762, 942832), (22506, 911664), (23376, 877734), (24552, 835692), (25168, 815238), (25324, 810216), (26136, 785044), (26298, 780208), (26598, 771408), (26784, 766051), (28314, 724656), (29016, 707124), (30008, 683748), (30194, 679536), (30888, 664268), (32142, 638352), (32736, 626769), (33759, 607776), (34848, 588783), (35064, 585156), (35464, 578556), (36828, 557128), (37752, 543492), (37986, 540144), (38688, 530343), (39897, 514272), (41184, 498201), (42471, 483104), (42856, 478764), (43524, 471416), (45012, 455832), (45291, 453024), (46752, 438867), (48213, 425568), (48763, 420768), (49104, 417846), (50336, 407619), (50648, 405108), (52272, 392522), (52596, 390104), (53196, 385704), (56628, 362328), (56979, 360096), (58032, 353562), (58927, 348192), (60016, 341874), (60388, 339768), (61776, 332134), (64284, 319176), (67518, 303888), (69641, 294624), (70128, 292578), (70928, 289278), (73656, 278564), (75504, 271746), (75972, 270072), (79794, 257136), (84942, 241552), (85712, 239382), (87048, 235708), (90024, 227916), (90582, 226512), (96426, 212784), (97526, 210384), (98208, 208923), (101277, 202592), (101296, 202554), (104544, 196261), (105192, 195052), (106392, 192852), (113256, 181164), (113958, 180048), (116064, 176781), (117854, 174096), (119691, 171424), (120032, 170937), (120776, 169884), (123552, 166067), (128568, 159588), (135036, 151944), (135873, 151008), (139282, 147312), (140256, 146289), (141856, 144639)]