20995607808

素因数分解:

$2^8\times 3^3\times 7^2\times {\mathrm{61991}}^1$

素因数の和:62030

約数の個数: 216

約数和(自身を含む): 72225639360

約数和(自身を除く): 51230031552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 256, 288, 294, 336, 378, 384, 392, 432, 441, 448, 504, 576, 588, 672, 756, 768, 784, 864, 882, 896, 1008, 1152, 1176, 1323, 1344, 1512, 1568, 1728, 1764, 1792, 2016, 2304, 2352, 2646, 2688, 3024, 3136, 3456, 3528, 4032, 4704, 5292, 5376, 6048, 6272, 6912, 7056, 8064, 9408, 10584, 12096, 12544, 14112, 16128, 18816, 21168, 24192, 28224, 37632, 42336, 48384, 56448, 61991, 84672, 112896, 123982, 169344, 185973, 247964, 338688, 371946, 433937, 495928, 557919, 743892, 867874, 991856, 1115838, 1301811, 1487784, 1673757, 1735748, 1983712, 2231676, 2603622, 2975568, 3037559, 3347514, 3471496, 3905433, 3967424, 4463352, 5207244, 5951136, 6075118, 6695028, 6942992, 7810866, 7934848, 8926704, 9112677, 10414488, 11716299, 11902272, 12150236, 13390056, 13885984, 15621732, 15869696, 17853408, 18225354, 20828976, 23432598, 23804544, 24300472, 26780112, 27338031, 27771968, 31243464, 35706816, 36450708, 41657952, 46865196, 47609088, 48600944, 53560224, 54676062, 55543936, 62486928, 71413632, 72901416, 82014093, 83315904, 93730392, 97201888, 107120448, 109352124, 111087872, 124973856, 142827264, 145802832, 164028186, 166631808, 187460784, 194403776, 214240896, 218704248, 249947712, 291605664, 328056372, 333263616, 374921568, 388807552, 428481792, 437408496, 499895424, 583211328, 656112744, 749843136, 777615104, 874816992, 999790848, 1166422656, 1312225488, 1499686272, 1749633984, 2332845312, 2624450976, 2999372544, 3499267968, 5248901952, 6998535936, 10497803904, 20995607808]

約数ペア:

[(1, 20995607808), (2, 10497803904), (3, 6998535936), (4, 5248901952), (6, 3499267968), (7, 2999372544), (8, 2624450976), (9, 2332845312), (12, 1749633984), (14, 1499686272), (16, 1312225488), (18, 1166422656), (21, 999790848), (24, 874816992), (27, 777615104), (28, 749843136), (32, 656112744), (36, 583211328), (42, 499895424), (48, 437408496), (49, 428481792), (54, 388807552), (56, 374921568), (63, 333263616), (64, 328056372), (72, 291605664), (84, 249947712), (96, 218704248), (98, 214240896), (108, 194403776), (112, 187460784), (126, 166631808), (128, 164028186), (144, 145802832), (147, 142827264), (168, 124973856), (189, 111087872), (192, 109352124), (196, 107120448), (216, 97201888), (224, 93730392), (252, 83315904), (256, 82014093), (288, 72901416), (294, 71413632), (336, 62486928), (378, 55543936), (384, 54676062), (392, 53560224), (432, 48600944), (441, 47609088), (448, 46865196), (504, 41657952), (576, 36450708), (588, 35706816), (672, 31243464), (756, 27771968), (768, 27338031), (784, 26780112), (864, 24300472), (882, 23804544), (896, 23432598), (1008, 20828976), (1152, 18225354), (1176, 17853408), (1323, 15869696), (1344, 15621732), (1512, 13885984), (1568, 13390056), (1728, 12150236), (1764, 11902272), (1792, 11716299), (2016, 10414488), (2304, 9112677), (2352, 8926704), (2646, 7934848), (2688, 7810866), (3024, 6942992), (3136, 6695028), (3456, 6075118), (3528, 5951136), (4032, 5207244), (4704, 4463352), (5292, 3967424), (5376, 3905433), (6048, 3471496), (6272, 3347514), (6912, 3037559), (7056, 2975568), (8064, 2603622), (9408, 2231676), (10584, 1983712), (12096, 1735748), (12544, 1673757), (14112, 1487784), (16128, 1301811), (18816, 1115838), (21168, 991856), (24192, 867874), (28224, 743892), (37632, 557919), (42336, 495928), (48384, 433937), (56448, 371946), (61991, 338688), (84672, 247964), (112896, 185973), (123982, 169344)]