20855149568

素因数分解:

$2^{10}\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{9901}}^1$

素因数の和:9960

約数の個数: 132

約数和(自身を含む): 48524929236

約数和(自身を除く): 27669779668

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 121, 128, 136, 176, 187, 242, 256, 272, 352, 374, 484, 512, 544, 704, 748, 968, 1024, 1088, 1408, 1496, 1936, 2057, 2176, 2816, 2992, 3872, 4114, 4352, 5632, 5984, 7744, 8228, 8704, 9901, 11264, 11968, 15488, 16456, 17408, 19802, 23936, 30976, 32912, 39604, 47872, 61952, 65824, 79208, 95744, 108911, 123904, 131648, 158416, 168317, 191488, 217822, 263296, 316832, 336634, 435644, 526592, 633664, 673268, 871288, 1053184, 1198021, 1267328, 1346536, 1742576, 1851487, 2106368, 2396042, 2534656, 2693072, 3485152, 3702974, 4792084, 5069312, 5386144, 6970304, 7405948, 9584168, 10138624, 10772288, 13940608, 14811896, 19168336, 20366357, 21544576, 27881216, 29623792, 38336672, 40732714, 43089152, 55762432, 59247584, 76673344, 81465428, 86178304, 111524864, 118495168, 153346688, 162930856, 172356608, 236990336, 306693376, 325861712, 473980672, 613386752, 651723424, 947961344, 1226773504, 1303446848, 1895922688, 2606893696, 5213787392, 10427574784, 20855149568]

約数ペア:

[(1, 20855149568), (2, 10427574784), (4, 5213787392), (8, 2606893696), (11, 1895922688), (16, 1303446848), (17, 1226773504), (22, 947961344), (32, 651723424), (34, 613386752), (44, 473980672), (64, 325861712), (68, 306693376), (88, 236990336), (121, 172356608), (128, 162930856), (136, 153346688), (176, 118495168), (187, 111524864), (242, 86178304), (256, 81465428), (272, 76673344), (352, 59247584), (374, 55762432), (484, 43089152), (512, 40732714), (544, 38336672), (704, 29623792), (748, 27881216), (968, 21544576), (1024, 20366357), (1088, 19168336), (1408, 14811896), (1496, 13940608), (1936, 10772288), (2057, 10138624), (2176, 9584168), (2816, 7405948), (2992, 6970304), (3872, 5386144), (4114, 5069312), (4352, 4792084), (5632, 3702974), (5984, 3485152), (7744, 2693072), (8228, 2534656), (8704, 2396042), (9901, 2106368), (11264, 1851487), (11968, 1742576), (15488, 1346536), (16456, 1267328), (17408, 1198021), (19802, 1053184), (23936, 871288), (30976, 673268), (32912, 633664), (39604, 526592), (47872, 435644), (61952, 336634), (65824, 316832), (79208, 263296), (95744, 217822), (108911, 191488), (123904, 168317), (131648, 158416)]