20806464

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 112

約数和(自身を含む): 63934848

約数和(自身を除く): 43128384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 113, 137, 168, 192, 224, 226, 274, 336, 339, 411, 448, 452, 548, 672, 678, 791, 822, 904, 959, 1096, 1344, 1356, 1582, 1644, 1808, 1918, 2192, 2373, 2712, 2877, 3164, 3288, 3616, 3836, 4384, 4746, 5424, 5754, 6328, 6576, 7232, 7672, 8768, 9492, 10848, 11508, 12656, 13152, 15344, 15481, 18984, 21696, 23016, 25312, 26304, 30688, 30962, 37968, 46032, 46443, 50624, 61376, 61924, 75936, 92064, 92886, 108367, 123848, 151872, 184128, 185772, 216734, 247696, 325101, 371544, 433468, 495392, 650202, 743088, 866936, 990784, 1300404, 1486176, 1733872, 2600808, 2972352, 3467744, 5201616, 6935488, 10403232, 20806464]

約数ペア:

[(1, 20806464), (2, 10403232), (3, 6935488), (4, 5201616), (6, 3467744), (7, 2972352), (8, 2600808), (12, 1733872), (14, 1486176), (16, 1300404), (21, 990784), (24, 866936), (28, 743088), (32, 650202), (42, 495392), (48, 433468), (56, 371544), (64, 325101), (84, 247696), (96, 216734), (112, 185772), (113, 184128), (137, 151872), (168, 123848), (192, 108367), (224, 92886), (226, 92064), (274, 75936), (336, 61924), (339, 61376), (411, 50624), (448, 46443), (452, 46032), (548, 37968), (672, 30962), (678, 30688), (791, 26304), (822, 25312), (904, 23016), (959, 21696), (1096, 18984), (1344, 15481), (1356, 15344), (1582, 13152), (1644, 12656), (1808, 11508), (1918, 10848), (2192, 9492), (2373, 8768), (2712, 7672), (2877, 7232), (3164, 6576), (3288, 6328), (3616, 5754), (3836, 5424), (4384, 4746)]