20099072

素因数分解:

$2^{12}\times 7^1\times {\mathrm{701}}^1$

素因数の和:732

約数の個数: 52

約数和(自身を含む): 46000656

約数和(自身を除く): 25901584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 701, 896, 1024, 1402, 1792, 2048, 2804, 3584, 4096, 4907, 5608, 7168, 9814, 11216, 14336, 19628, 22432, 28672, 39256, 44864, 78512, 89728, 157024, 179456, 314048, 358912, 628096, 717824, 1256192, 1435648, 2512384, 2871296, 5024768, 10049536, 20099072]

約数ペア:

[(1, 20099072), (2, 10049536), (4, 5024768), (7, 2871296), (8, 2512384), (14, 1435648), (16, 1256192), (28, 717824), (32, 628096), (56, 358912), (64, 314048), (112, 179456), (128, 157024), (224, 89728), (256, 78512), (448, 44864), (512, 39256), (701, 28672), (896, 22432), (1024, 19628), (1402, 14336), (1792, 11216), (2048, 9814), (2804, 7168), (3584, 5608), (4096, 4907)]