20680704

素因数分解:

$2^{12}\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:61

約数の個数: 208

約数和(自身を含む): 70770240

約数和(自身を除く): 50089536

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 32, 33, 34, 36, 44, 48, 51, 54, 64, 66, 68, 72, 88, 96, 99, 102, 108, 128, 132, 136, 144, 153, 176, 187, 192, 198, 204, 216, 256, 264, 272, 288, 297, 306, 352, 374, 384, 396, 408, 432, 459, 512, 528, 544, 561, 576, 594, 612, 704, 748, 768, 792, 816, 864, 918, 1024, 1056, 1088, 1122, 1152, 1188, 1224, 1408, 1496, 1536, 1584, 1632, 1683, 1728, 1836, 2048, 2112, 2176, 2244, 2304, 2376, 2448, 2816, 2992, 3072, 3168, 3264, 3366, 3456, 3672, 4096, 4224, 4352, 4488, 4608, 4752, 4896, 5049, 5632, 5984, 6144, 6336, 6528, 6732, 6912, 7344, 8448, 8704, 8976, 9216, 9504, 9792, 10098, 11264, 11968, 12288, 12672, 13056, 13464, 13824, 14688, 16896, 17408, 17952, 18432, 19008, 19584, 20196, 22528, 23936, 25344, 26112, 26928, 27648, 29376, 33792, 34816, 35904, 36864, 38016, 39168, 40392, 45056, 47872, 50688, 52224, 53856, 55296, 58752, 67584, 69632, 71808, 76032, 78336, 80784, 95744, 101376, 104448, 107712, 110592, 117504, 135168, 143616, 152064, 156672, 161568, 191488, 202752, 208896, 215424, 235008, 287232, 304128, 313344, 323136, 382976, 405504, 430848, 470016, 574464, 608256, 626688, 646272, 765952, 861696, 940032, 1148928, 1216512, 1292544, 1723392, 1880064, 2297856, 2585088, 3446784, 5170176, 6893568, 10340352, 20680704]

約数ペア:

[(1, 20680704), (2, 10340352), (3, 6893568), (4, 5170176), (6, 3446784), (8, 2585088), (9, 2297856), (11, 1880064), (12, 1723392), (16, 1292544), (17, 1216512), (18, 1148928), (22, 940032), (24, 861696), (27, 765952), (32, 646272), (33, 626688), (34, 608256), (36, 574464), (44, 470016), (48, 430848), (51, 405504), (54, 382976), (64, 323136), (66, 313344), (68, 304128), (72, 287232), (88, 235008), (96, 215424), (99, 208896), (102, 202752), (108, 191488), (128, 161568), (132, 156672), (136, 152064), (144, 143616), (153, 135168), (176, 117504), (187, 110592), (192, 107712), (198, 104448), (204, 101376), (216, 95744), (256, 80784), (264, 78336), (272, 76032), (288, 71808), (297, 69632), (306, 67584), (352, 58752), (374, 55296), (384, 53856), (396, 52224), (408, 50688), (432, 47872), (459, 45056), (512, 40392), (528, 39168), (544, 38016), (561, 36864), (576, 35904), (594, 34816), (612, 33792), (704, 29376), (748, 27648), (768, 26928), (792, 26112), (816, 25344), (864, 23936), (918, 22528), (1024, 20196), (1056, 19584), (1088, 19008), (1122, 18432), (1152, 17952), (1188, 17408), (1224, 16896), (1408, 14688), (1496, 13824), (1536, 13464), (1584, 13056), (1632, 12672), (1683, 12288), (1728, 11968), (1836, 11264), (2048, 10098), (2112, 9792), (2176, 9504), (2244, 9216), (2304, 8976), (2376, 8704), (2448, 8448), (2816, 7344), (2992, 6912), (3072, 6732), (3168, 6528), (3264, 6336), (3366, 6144), (3456, 5984), (3672, 5632), (4096, 5049), (4224, 4896), (4352, 4752), (4488, 4608)]