20122921728

素因数分解:

$2^8\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13711}}^1$

素因数の和:13760

約数の個数: 324

約数和(自身を含む): 72688875168

約数和(自身を除く): 52565953440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 49, 52, 56, 63, 64, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 128, 144, 147, 156, 168, 182, 192, 196, 208, 224, 234, 252, 256, 273, 288, 294, 312, 336, 364, 384, 392, 416, 441, 448, 468, 504, 546, 576, 588, 624, 637, 672, 728, 768, 784, 819, 832, 882, 896, 936, 1008, 1092, 1152, 1176, 1248, 1274, 1344, 1456, 1568, 1638, 1664, 1764, 1792, 1872, 1911, 2016, 2184, 2304, 2352, 2496, 2548, 2688, 2912, 3136, 3276, 3328, 3528, 3744, 3822, 4032, 4368, 4704, 4992, 5096, 5376, 5733, 5824, 6272, 6552, 7056, 7488, 7644, 8064, 8736, 9408, 9984, 10192, 11466, 11648, 12544, 13104, 13711, 14112, 14976, 15288, 16128, 17472, 18816, 20384, 22932, 23296, 26208, 27422, 28224, 29952, 30576, 34944, 37632, 40768, 41133, 45864, 52416, 54844, 56448, 61152, 69888, 81536, 82266, 91728, 95977, 104832, 109688, 112896, 122304, 123399, 163072, 164532, 178243, 183456, 191954, 209664, 219376, 244608, 246798, 287931, 329064, 356486, 366912, 383908, 438752, 489216, 493596, 534729, 575862, 658128, 671839, 712972, 733824, 767816, 863793, 877504, 987192, 1069458, 1151724, 1247701, 1316256, 1343678, 1425944, 1467648, 1535632, 1604187, 1727586, 1755008, 1974384, 2015517, 2138916, 2303448, 2495402, 2632512, 2687356, 2851888, 3071264, 3208374, 3455172, 3510016, 3743103, 3948768, 4031034, 4277832, 4606896, 4990804, 5265024, 5374712, 5703776, 6046551, 6142528, 6416748, 6910344, 7486206, 7897536, 8062068, 8555664, 8733907, 9213792, 9981608, 10530048, 10749424, 11229309, 11407552, 12093102, 12285056, 12833496, 13820688, 14972412, 15795072, 16124136, 17111328, 17467814, 18427584, 19963216, 21498848, 22458618, 22815104, 24186204, 24570112, 25666992, 26201721, 27641376, 29944824, 31590144, 32248272, 34222656, 34935628, 36855168, 39926432, 42997696, 44917236, 45630208, 48372408, 51333984, 52403442, 55282752, 59889648, 64496544, 68445312, 69871256, 73710336, 78605163, 79852864, 85995392, 89834472, 96744816, 102667968, 104806884, 110565504, 119779296, 128993088, 136890624, 139742512, 157210326, 159705728, 171990784, 179668944, 193489632, 205335936, 209613768, 221131008, 239558592, 257986176, 279485024, 314420652, 319411456, 359337888, 386979264, 410671872, 419227536, 479117184, 515972352, 558970048, 628841304, 718675776, 773958528, 838455072, 958234368, 1117940096, 1257682608, 1437351552, 1547917056, 1676910144, 2235880192, 2515365216, 2874703104, 3353820288, 5030730432, 6707640576, 10061460864, 20122921728]

約数ペア:

[(1, 20122921728), (2, 10061460864), (3, 6707640576), (4, 5030730432), (6, 3353820288), (7, 2874703104), (8, 2515365216), (9, 2235880192), (12, 1676910144), (13, 1547917056), (14, 1437351552), (16, 1257682608), (18, 1117940096), (21, 958234368), (24, 838455072), (26, 773958528), (28, 718675776), (32, 628841304), (36, 558970048), (39, 515972352), (42, 479117184), (48, 419227536), (49, 410671872), (52, 386979264), (56, 359337888), (63, 319411456), (64, 314420652), (72, 279485024), (78, 257986176), (84, 239558592), (91, 221131008), (96, 209613768), (98, 205335936), (104, 193489632), (112, 179668944), (117, 171990784), (126, 159705728), (128, 157210326), (144, 139742512), (147, 136890624), (156, 128993088), (168, 119779296), (182, 110565504), (192, 104806884), (196, 102667968), (208, 96744816), (224, 89834472), (234, 85995392), (252, 79852864), (256, 78605163), (273, 73710336), (288, 69871256), (294, 68445312), (312, 64496544), (336, 59889648), (364, 55282752), (384, 52403442), (392, 51333984), (416, 48372408), (441, 45630208), (448, 44917236), (468, 42997696), (504, 39926432), (546, 36855168), (576, 34935628), (588, 34222656), (624, 32248272), (637, 31590144), (672, 29944824), (728, 27641376), (768, 26201721), (784, 25666992), (819, 24570112), (832, 24186204), (882, 22815104), (896, 22458618), (936, 21498848), (1008, 19963216), (1092, 18427584), (1152, 17467814), (1176, 17111328), (1248, 16124136), (1274, 15795072), (1344, 14972412), (1456, 13820688), (1568, 12833496), (1638, 12285056), (1664, 12093102), (1764, 11407552), (1792, 11229309), (1872, 10749424), (1911, 10530048), (2016, 9981608), (2184, 9213792), (2304, 8733907), (2352, 8555664), (2496, 8062068), (2548, 7897536), (2688, 7486206), (2912, 6910344), (3136, 6416748), (3276, 6142528), (3328, 6046551), (3528, 5703776), (3744, 5374712), (3822, 5265024), (4032, 4990804), (4368, 4606896), (4704, 4277832), (4992, 4031034), (5096, 3948768), (5376, 3743103), (5733, 3510016), (5824, 3455172), (6272, 3208374), (6552, 3071264), (7056, 2851888), (7488, 2687356), (7644, 2632512), (8064, 2495402), (8736, 2303448), (9408, 2138916), (9984, 2015517), (10192, 1974384), (11466, 1755008), (11648, 1727586), (12544, 1604187), (13104, 1535632), (13711, 1467648), (14112, 1425944), (14976, 1343678), (15288, 1316256), (16128, 1247701), (17472, 1151724), (18816, 1069458), (20384, 987192), (22932, 877504), (23296, 863793), (26208, 767816), (27422, 733824), (28224, 712972), (29952, 671839), (30576, 658128), (34944, 575862), (37632, 534729), (40768, 493596), (41133, 489216), (45864, 438752), (52416, 383908), (54844, 366912), (56448, 356486), (61152, 329064), (69888, 287931), (81536, 246798), (82266, 244608), (91728, 219376), (95977, 209664), (104832, 191954), (109688, 183456), (112896, 178243), (122304, 164532), (123399, 163072)]