20421036672

素因数分解:

$2^7\times 3^1\times {\mathrm{241}}^1\times {\mathrm{220663}}^1$

素因数の和:220921

約数の個数: 64

約数和(自身を含む): 54468701760

約数和(自身を除く): 34047665088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 241, 384, 482, 723, 964, 1446, 1928, 2892, 3856, 5784, 7712, 11568, 15424, 23136, 30848, 46272, 92544, 220663, 441326, 661989, 882652, 1323978, 1765304, 2647956, 3530608, 5295912, 7061216, 10591824, 14122432, 21183648, 28244864, 42367296, 53179783, 84734592, 106359566, 159539349, 212719132, 319078698, 425438264, 638157396, 850876528, 1276314792, 1701753056, 2552629584, 3403506112, 5105259168, 6807012224, 10210518336, 20421036672]

約数ペア:

[(1, 20421036672), (2, 10210518336), (3, 6807012224), (4, 5105259168), (6, 3403506112), (8, 2552629584), (12, 1701753056), (16, 1276314792), (24, 850876528), (32, 638157396), (48, 425438264), (64, 319078698), (96, 212719132), (128, 159539349), (192, 106359566), (241, 84734592), (384, 53179783), (482, 42367296), (723, 28244864), (964, 21183648), (1446, 14122432), (1928, 10591824), (2892, 7061216), (3856, 5295912), (5784, 3530608), (7712, 2647956), (11568, 1765304), (15424, 1323978), (23136, 882652), (30848, 661989), (46272, 441326), (92544, 220663)]