20738424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 63936000

約数和(自身を除く): 43197576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 73, 76, 84, 89, 114, 133, 146, 152, 168, 178, 219, 228, 266, 267, 292, 356, 399, 438, 456, 511, 532, 534, 584, 623, 712, 798, 876, 1022, 1064, 1068, 1246, 1387, 1533, 1596, 1691, 1752, 1869, 2044, 2136, 2492, 2774, 3066, 3192, 3382, 3738, 4088, 4161, 4984, 5073, 5548, 6132, 6497, 6764, 7476, 8322, 9709, 10146, 11096, 11837, 12264, 12994, 13528, 14952, 16644, 19418, 19491, 20292, 23674, 25988, 29127, 33288, 35511, 38836, 38982, 40584, 45479, 47348, 51976, 58254, 71022, 77672, 77964, 90958, 94696, 116508, 123443, 136437, 142044, 155928, 181916, 233016, 246886, 272874, 284088, 363832, 370329, 493772, 545748, 740658, 864101, 987544, 1091496, 1481316, 1728202, 2592303, 2962632, 3456404, 5184606, 6912808, 10369212, 20738424]

約数ペア:

[(1, 20738424), (2, 10369212), (3, 6912808), (4, 5184606), (6, 3456404), (7, 2962632), (8, 2592303), (12, 1728202), (14, 1481316), (19, 1091496), (21, 987544), (24, 864101), (28, 740658), (38, 545748), (42, 493772), (56, 370329), (57, 363832), (73, 284088), (76, 272874), (84, 246886), (89, 233016), (114, 181916), (133, 155928), (146, 142044), (152, 136437), (168, 123443), (178, 116508), (219, 94696), (228, 90958), (266, 77964), (267, 77672), (292, 71022), (356, 58254), (399, 51976), (438, 47348), (456, 45479), (511, 40584), (532, 38982), (534, 38836), (584, 35511), (623, 33288), (712, 29127), (798, 25988), (876, 23674), (1022, 20292), (1064, 19491), (1068, 19418), (1246, 16644), (1387, 14952), (1533, 13528), (1596, 12994), (1691, 12264), (1752, 11837), (1869, 11096), (2044, 10146), (2136, 9709), (2492, 8322), (2774, 7476), (3066, 6764), (3192, 6497), (3382, 6132), (3738, 5548), (4088, 5073), (4161, 4984)]