20857290752

素因数分解:

$2^{16}\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 136

約数和(自身を含む): 44854593336

約数和(自身を除く): 23997302584

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 97, 128, 136, 193, 194, 256, 272, 386, 388, 512, 544, 772, 776, 1024, 1088, 1544, 1552, 1649, 2048, 2176, 3088, 3104, 3281, 3298, 4096, 4352, 6176, 6208, 6562, 6596, 8192, 8704, 12352, 12416, 13124, 13192, 16384, 17408, 18721, 24704, 24832, 26248, 26384, 32768, 34816, 37442, 49408, 49664, 52496, 52768, 65536, 69632, 74884, 98816, 99328, 104992, 105536, 139264, 149768, 197632, 198656, 209984, 211072, 278528, 299536, 318257, 395264, 397312, 419968, 422144, 557056, 599072, 636514, 790528, 794624, 839936, 844288, 1114112, 1198144, 1273028, 1581056, 1589248, 1679872, 1688576, 2396288, 2546056, 3162112, 3178496, 3359744, 3377152, 4792576, 5092112, 6324224, 6356992, 6719488, 6754304, 9585152, 10184224, 12648448, 13438976, 13508608, 19170304, 20368448, 26877952, 27017216, 38340608, 40736896, 53755904, 54034432, 76681216, 81473792, 107511808, 108068864, 153362432, 162947584, 215023616, 306724864, 325895168, 613449728, 651790336, 1226899456, 1303580672, 2607161344, 5214322688, 10428645376, 20857290752]

約数ペア:

[(1, 20857290752), (2, 10428645376), (4, 5214322688), (8, 2607161344), (16, 1303580672), (17, 1226899456), (32, 651790336), (34, 613449728), (64, 325895168), (68, 306724864), (97, 215023616), (128, 162947584), (136, 153362432), (193, 108068864), (194, 107511808), (256, 81473792), (272, 76681216), (386, 54034432), (388, 53755904), (512, 40736896), (544, 38340608), (772, 27017216), (776, 26877952), (1024, 20368448), (1088, 19170304), (1544, 13508608), (1552, 13438976), (1649, 12648448), (2048, 10184224), (2176, 9585152), (3088, 6754304), (3104, 6719488), (3281, 6356992), (3298, 6324224), (4096, 5092112), (4352, 4792576), (6176, 3377152), (6208, 3359744), (6562, 3178496), (6596, 3162112), (8192, 2546056), (8704, 2396288), (12352, 1688576), (12416, 1679872), (13124, 1589248), (13192, 1581056), (16384, 1273028), (17408, 1198144), (18721, 1114112), (24704, 844288), (24832, 839936), (26248, 794624), (26384, 790528), (32768, 636514), (34816, 599072), (37442, 557056), (49408, 422144), (49664, 419968), (52496, 397312), (52768, 395264), (65536, 318257), (69632, 299536), (74884, 278528), (98816, 211072), (99328, 209984), (104992, 198656), (105536, 197632), (139264, 149768)]