20726118

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{373}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 54304800

約数和(自身を除く): 33578682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 343, 373, 378, 441, 567, 686, 746, 882, 1029, 1119, 1134, 1323, 2058, 2238, 2611, 2646, 3087, 3357, 3969, 5222, 6174, 6714, 7833, 7938, 9261, 10071, 15666, 18277, 18522, 20142, 23499, 27783, 30213, 36554, 46998, 54831, 55566, 60426, 70497, 109662, 127939, 140994, 164493, 211491, 255878, 328986, 383817, 422982, 493479, 767634, 986958, 1151451, 1480437, 2302902, 2960874, 3454353, 6908706, 10363059, 20726118]

約数ペア:

[(1, 20726118), (2, 10363059), (3, 6908706), (6, 3454353), (7, 2960874), (9, 2302902), (14, 1480437), (18, 1151451), (21, 986958), (27, 767634), (42, 493479), (49, 422982), (54, 383817), (63, 328986), (81, 255878), (98, 211491), (126, 164493), (147, 140994), (162, 127939), (189, 109662), (294, 70497), (343, 60426), (373, 55566), (378, 54831), (441, 46998), (567, 36554), (686, 30213), (746, 27783), (882, 23499), (1029, 20142), (1119, 18522), (1134, 18277), (1323, 15666), (2058, 10071), (2238, 9261), (2611, 7938), (2646, 7833), (3087, 6714), (3357, 6174), (3969, 5222)]