20484352

素因数分解:

$2^8\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 108

約数和(自身を含む): 50331456

約数和(自身を除く): 29847104

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 71, 92, 98, 112, 128, 142, 161, 184, 196, 224, 256, 284, 322, 368, 392, 448, 497, 568, 644, 736, 784, 896, 994, 1127, 1136, 1288, 1472, 1568, 1633, 1792, 1988, 2254, 2272, 2576, 2944, 3136, 3266, 3479, 3976, 4508, 4544, 5152, 5888, 6272, 6532, 6958, 7952, 9016, 9088, 10304, 11431, 12544, 13064, 13916, 15904, 18032, 18176, 20608, 22862, 26128, 27832, 31808, 36064, 41216, 45724, 52256, 55664, 63616, 72128, 80017, 91448, 104512, 111328, 127232, 144256, 160034, 182896, 209024, 222656, 288512, 320068, 365792, 418048, 445312, 640136, 731584, 890624, 1280272, 1463168, 2560544, 2926336, 5121088, 10242176, 20484352]

約数ペア:

[(1, 20484352), (2, 10242176), (4, 5121088), (7, 2926336), (8, 2560544), (14, 1463168), (16, 1280272), (23, 890624), (28, 731584), (32, 640136), (46, 445312), (49, 418048), (56, 365792), (64, 320068), (71, 288512), (92, 222656), (98, 209024), (112, 182896), (128, 160034), (142, 144256), (161, 127232), (184, 111328), (196, 104512), (224, 91448), (256, 80017), (284, 72128), (322, 63616), (368, 55664), (392, 52256), (448, 45724), (497, 41216), (568, 36064), (644, 31808), (736, 27832), (784, 26128), (896, 22862), (994, 20608), (1127, 18176), (1136, 18032), (1288, 15904), (1472, 13916), (1568, 13064), (1633, 12544), (1792, 11431), (1988, 10304), (2254, 9088), (2272, 9016), (2576, 7952), (2944, 6958), (3136, 6532), (3266, 6272), (3479, 5888), (3976, 5152), (4508, 4544)]