20660992

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 108

約数和(自身を含む): 48933360

約数和(自身を除く): 28272368

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 29, 32, 44, 46, 58, 64, 88, 92, 116, 121, 128, 176, 184, 232, 242, 253, 256, 319, 352, 368, 464, 484, 506, 638, 667, 704, 736, 928, 968, 1012, 1276, 1334, 1408, 1472, 1856, 1936, 2024, 2552, 2668, 2783, 2816, 2944, 3509, 3712, 3872, 4048, 5104, 5336, 5566, 5888, 7018, 7337, 7424, 7744, 8096, 10208, 10672, 11132, 14036, 14674, 15488, 16192, 20416, 21344, 22264, 28072, 29348, 30976, 32384, 40832, 42688, 44528, 56144, 58696, 64768, 80707, 81664, 85376, 89056, 112288, 117392, 161414, 170752, 178112, 224576, 234784, 322828, 356224, 449152, 469568, 645656, 712448, 898304, 939136, 1291312, 1878272, 2582624, 5165248, 10330496, 20660992]

約数ペア:

[(1, 20660992), (2, 10330496), (4, 5165248), (8, 2582624), (11, 1878272), (16, 1291312), (22, 939136), (23, 898304), (29, 712448), (32, 645656), (44, 469568), (46, 449152), (58, 356224), (64, 322828), (88, 234784), (92, 224576), (116, 178112), (121, 170752), (128, 161414), (176, 117392), (184, 112288), (232, 89056), (242, 85376), (253, 81664), (256, 80707), (319, 64768), (352, 58696), (368, 56144), (464, 44528), (484, 42688), (506, 40832), (638, 32384), (667, 30976), (704, 29348), (736, 28072), (928, 22264), (968, 21344), (1012, 20416), (1276, 16192), (1334, 15488), (1408, 14674), (1472, 14036), (1856, 11132), (1936, 10672), (2024, 10208), (2552, 8096), (2668, 7744), (2783, 7424), (2816, 7337), (2944, 7018), (3509, 5888), (3712, 5566), (3872, 5336), (4048, 5104)]