20497816416

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4451}}^1$

素因数の和:4578

約数の個数: 288

約数和(自身を含む): 69064410240

約数和(自身を除く): 48566593824

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 89, 96, 98, 112, 132, 147, 154, 168, 176, 178, 196, 224, 231, 264, 267, 294, 308, 336, 352, 356, 392, 462, 528, 534, 539, 588, 616, 623, 672, 712, 784, 924, 979, 1056, 1068, 1078, 1176, 1232, 1246, 1424, 1568, 1617, 1848, 1869, 1958, 2136, 2156, 2352, 2464, 2492, 2848, 2937, 3234, 3696, 3738, 3916, 4272, 4312, 4361, 4451, 4704, 4984, 5874, 6468, 6853, 7392, 7476, 7832, 8544, 8624, 8722, 8902, 9968, 11748, 12936, 13083, 13353, 13706, 14952, 15664, 17248, 17444, 17804, 19936, 20559, 23496, 25872, 26166, 26706, 27412, 29904, 31157, 31328, 34888, 35608, 41118, 46992, 47971, 48961, 51744, 52332, 53412, 54824, 59808, 62314, 69776, 71216, 82236, 93471, 93984, 95942, 97922, 104664, 106824, 109648, 124628, 139552, 142432, 143913, 146883, 164472, 186942, 191884, 195844, 209328, 213648, 218099, 219296, 249256, 287826, 293766, 328944, 342727, 373884, 383768, 391688, 396139, 418656, 427296, 436198, 498512, 575652, 587532, 654297, 657888, 685454, 747768, 767536, 783376, 792278, 872396, 997024, 1028181, 1151304, 1175064, 1188417, 1308594, 1370908, 1495536, 1535072, 1566752, 1584556, 1744792, 2056362, 2302608, 2350128, 2376834, 2399089, 2617188, 2741816, 2772973, 2991072, 3169112, 3489584, 4112724, 4357529, 4605216, 4700256, 4753668, 4798178, 5234376, 5483632, 5545946, 6338224, 6979168, 7197267, 8225448, 8318919, 8715058, 9507336, 9596356, 10468752, 10967264, 11091892, 12676448, 13072587, 14394534, 16450896, 16637838, 17430116, 19014672, 19192712, 19410811, 20937504, 22183784, 26145174, 28789068, 30502703, 32901792, 33275676, 34860232, 38029344, 38385424, 38821622, 44367568, 52290348, 57578136, 58232433, 61005406, 66551352, 69720464, 76770848, 77643244, 88735136, 91508109, 104580696, 115156272, 116464866, 122010812, 133102704, 139440928, 155286488, 183016218, 209161392, 213518921, 230312544, 232929732, 244021624, 266205408, 310572976, 366032436, 418322784, 427037842, 465859464, 488043248, 621145952, 640556763, 732064872, 854075684, 931718928, 976086496, 1281113526, 1464129744, 1708151368, 1863437856, 2562227052, 2928259488, 3416302736, 5124454104, 6832605472, 10248908208, 20497816416]

約数ペア:

[(1, 20497816416), (2, 10248908208), (3, 6832605472), (4, 5124454104), (6, 3416302736), (7, 2928259488), (8, 2562227052), (11, 1863437856), (12, 1708151368), (14, 1464129744), (16, 1281113526), (21, 976086496), (22, 931718928), (24, 854075684), (28, 732064872), (32, 640556763), (33, 621145952), (42, 488043248), (44, 465859464), (48, 427037842), (49, 418322784), (56, 366032436), (66, 310572976), (77, 266205408), (84, 244021624), (88, 232929732), (89, 230312544), (96, 213518921), (98, 209161392), (112, 183016218), (132, 155286488), (147, 139440928), (154, 133102704), (168, 122010812), (176, 116464866), (178, 115156272), (196, 104580696), (224, 91508109), (231, 88735136), (264, 77643244), (267, 76770848), (294, 69720464), (308, 66551352), (336, 61005406), (352, 58232433), (356, 57578136), (392, 52290348), (462, 44367568), (528, 38821622), (534, 38385424), (539, 38029344), (588, 34860232), (616, 33275676), (623, 32901792), (672, 30502703), (712, 28789068), (784, 26145174), (924, 22183784), (979, 20937504), (1056, 19410811), (1068, 19192712), (1078, 19014672), (1176, 17430116), (1232, 16637838), (1246, 16450896), (1424, 14394534), (1568, 13072587), (1617, 12676448), (1848, 11091892), (1869, 10967264), (1958, 10468752), (2136, 9596356), (2156, 9507336), (2352, 8715058), (2464, 8318919), (2492, 8225448), (2848, 7197267), (2937, 6979168), (3234, 6338224), (3696, 5545946), (3738, 5483632), (3916, 5234376), (4272, 4798178), (4312, 4753668), (4361, 4700256), (4451, 4605216), (4704, 4357529), (4984, 4112724), (5874, 3489584), (6468, 3169112), (6853, 2991072), (7392, 2772973), (7476, 2741816), (7832, 2617188), (8544, 2399089), (8624, 2376834), (8722, 2350128), (8902, 2302608), (9968, 2056362), (11748, 1744792), (12936, 1584556), (13083, 1566752), (13353, 1535072), (13706, 1495536), (14952, 1370908), (15664, 1308594), (17248, 1188417), (17444, 1175064), (17804, 1151304), (19936, 1028181), (20559, 997024), (23496, 872396), (25872, 792278), (26166, 783376), (26706, 767536), (27412, 747768), (29904, 685454), (31157, 657888), (31328, 654297), (34888, 587532), (35608, 575652), (41118, 498512), (46992, 436198), (47971, 427296), (48961, 418656), (51744, 396139), (52332, 391688), (53412, 383768), (54824, 373884), (59808, 342727), (62314, 328944), (69776, 293766), (71216, 287826), (82236, 249256), (93471, 219296), (93984, 218099), (95942, 213648), (97922, 209328), (104664, 195844), (106824, 191884), (109648, 186942), (124628, 164472), (139552, 146883), (142432, 143913)]