20772984

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 54036000

約数和(自身を除く): 33263016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 149, 157, 222, 296, 298, 314, 444, 447, 471, 596, 628, 888, 894, 942, 1192, 1256, 1788, 1884, 3576, 3768, 5513, 5809, 11026, 11618, 16539, 17427, 22052, 23236, 23393, 33078, 34854, 44104, 46472, 46786, 66156, 69708, 70179, 93572, 132312, 139416, 140358, 187144, 280716, 561432, 865541, 1731082, 2596623, 3462164, 5193246, 6924328, 10386492, 20772984]

約数ペア:

[(1, 20772984), (2, 10386492), (3, 6924328), (4, 5193246), (6, 3462164), (8, 2596623), (12, 1731082), (24, 865541), (37, 561432), (74, 280716), (111, 187144), (148, 140358), (149, 139416), (157, 132312), (222, 93572), (296, 70179), (298, 69708), (314, 66156), (444, 46786), (447, 46472), (471, 44104), (596, 34854), (628, 33078), (888, 23393), (894, 23236), (942, 22052), (1192, 17427), (1256, 16539), (1788, 11618), (1884, 11026), (3576, 5809), (3768, 5513)]