20829312

素因数分解:

$2^7\times 3^4\times 7^2\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 240

約数和(自身を含む): 73866870

約数和(自身を除く): 53037558

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 41, 42, 48, 49, 54, 56, 63, 64, 72, 81, 82, 84, 96, 98, 108, 112, 123, 126, 128, 144, 147, 162, 164, 168, 189, 192, 196, 216, 224, 246, 252, 287, 288, 294, 324, 328, 336, 369, 378, 384, 392, 432, 441, 448, 492, 504, 567, 574, 576, 588, 648, 656, 672, 738, 756, 784, 861, 864, 882, 896, 984, 1008, 1107, 1134, 1148, 1152, 1176, 1296, 1312, 1323, 1344, 1476, 1512, 1568, 1722, 1728, 1764, 1968, 2009, 2016, 2214, 2268, 2296, 2352, 2583, 2592, 2624, 2646, 2688, 2952, 3024, 3136, 3321, 3444, 3456, 3528, 3936, 3969, 4018, 4032, 4428, 4536, 4592, 4704, 5166, 5184, 5248, 5292, 5904, 6027, 6048, 6272, 6642, 6888, 7056, 7749, 7872, 7938, 8036, 8064, 8856, 9072, 9184, 9408, 10332, 10368, 10584, 11808, 12054, 12096, 13284, 13776, 14112, 15498, 15744, 15876, 16072, 17712, 18081, 18144, 18368, 18816, 20664, 21168, 23247, 23616, 24108, 24192, 26568, 27552, 28224, 30996, 31752, 32144, 35424, 36162, 36288, 36736, 41328, 42336, 46494, 47232, 48216, 53136, 54243, 55104, 56448, 61992, 63504, 64288, 70848, 72324, 72576, 82656, 84672, 92988, 96432, 106272, 108486, 110208, 123984, 127008, 128576, 141696, 144648, 162729, 165312, 169344, 185976, 192864, 212544, 216972, 247968, 254016, 257152, 289296, 325458, 330624, 371952, 385728, 425088, 433944, 495936, 508032, 578592, 650916, 743904, 771456, 867888, 991872, 1157184, 1301832, 1487808, 1735776, 2314368, 2603664, 2975616, 3471552, 5207328, 6943104, 10414656, 20829312]

約数ペア:

[(1, 20829312), (2, 10414656), (3, 6943104), (4, 5207328), (6, 3471552), (7, 2975616), (8, 2603664), (9, 2314368), (12, 1735776), (14, 1487808), (16, 1301832), (18, 1157184), (21, 991872), (24, 867888), (27, 771456), (28, 743904), (32, 650916), (36, 578592), (41, 508032), (42, 495936), (48, 433944), (49, 425088), (54, 385728), (56, 371952), (63, 330624), (64, 325458), (72, 289296), (81, 257152), (82, 254016), (84, 247968), (96, 216972), (98, 212544), (108, 192864), (112, 185976), (123, 169344), (126, 165312), (128, 162729), (144, 144648), (147, 141696), (162, 128576), (164, 127008), (168, 123984), (189, 110208), (192, 108486), (196, 106272), (216, 96432), (224, 92988), (246, 84672), (252, 82656), (287, 72576), (288, 72324), (294, 70848), (324, 64288), (328, 63504), (336, 61992), (369, 56448), (378, 55104), (384, 54243), (392, 53136), (432, 48216), (441, 47232), (448, 46494), (492, 42336), (504, 41328), (567, 36736), (574, 36288), (576, 36162), (588, 35424), (648, 32144), (656, 31752), (672, 30996), (738, 28224), (756, 27552), (784, 26568), (861, 24192), (864, 24108), (882, 23616), (896, 23247), (984, 21168), (1008, 20664), (1107, 18816), (1134, 18368), (1148, 18144), (1152, 18081), (1176, 17712), (1296, 16072), (1312, 15876), (1323, 15744), (1344, 15498), (1476, 14112), (1512, 13776), (1568, 13284), (1722, 12096), (1728, 12054), (1764, 11808), (1968, 10584), (2009, 10368), (2016, 10332), (2214, 9408), (2268, 9184), (2296, 9072), (2352, 8856), (2583, 8064), (2592, 8036), (2624, 7938), (2646, 7872), (2688, 7749), (2952, 7056), (3024, 6888), (3136, 6642), (3321, 6272), (3444, 6048), (3456, 6027), (3528, 5904), (3936, 5292), (3969, 5248), (4018, 5184), (4032, 5166), (4428, 4704), (4536, 4592)]