20454912

素因数分解:

$2^9\times 3^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:240

約数の個数: 120

約数和(自身を含む): 61920144

約数和(自身を除く): 41465232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 193, 207, 256, 276, 288, 368, 384, 386, 414, 512, 552, 576, 579, 736, 768, 772, 828, 1104, 1152, 1158, 1472, 1536, 1544, 1656, 1737, 2208, 2304, 2316, 2944, 3088, 3312, 3474, 4416, 4439, 4608, 4632, 5888, 6176, 6624, 6948, 8832, 8878, 9264, 11776, 12352, 13248, 13317, 13896, 17664, 17756, 18528, 24704, 26496, 26634, 27792, 35328, 35512, 37056, 39951, 49408, 52992, 53268, 55584, 71024, 74112, 79902, 98816, 105984, 106536, 111168, 142048, 148224, 159804, 213072, 222336, 284096, 296448, 319608, 426144, 444672, 568192, 639216, 852288, 889344, 1136384, 1278432, 1704576, 2272768, 2556864, 3409152, 5113728, 6818304, 10227456, 20454912]

約数ペア:

[(1, 20454912), (2, 10227456), (3, 6818304), (4, 5113728), (6, 3409152), (8, 2556864), (9, 2272768), (12, 1704576), (16, 1278432), (18, 1136384), (23, 889344), (24, 852288), (32, 639216), (36, 568192), (46, 444672), (48, 426144), (64, 319608), (69, 296448), (72, 284096), (92, 222336), (96, 213072), (128, 159804), (138, 148224), (144, 142048), (184, 111168), (192, 106536), (193, 105984), (207, 98816), (256, 79902), (276, 74112), (288, 71024), (368, 55584), (384, 53268), (386, 52992), (414, 49408), (512, 39951), (552, 37056), (576, 35512), (579, 35328), (736, 27792), (768, 26634), (772, 26496), (828, 24704), (1104, 18528), (1152, 17756), (1158, 17664), (1472, 13896), (1536, 13317), (1544, 13248), (1656, 12352), (1737, 11776), (2208, 9264), (2304, 8878), (2316, 8832), (2944, 6948), (3088, 6624), (3312, 6176), (3474, 5888), (4416, 4632), (4439, 4608)]