20486144

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1429}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 46846800

約数和(自身を除く): 26360656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1429, 1792, 2048, 2858, 3584, 5716, 7168, 10003, 11432, 14336, 20006, 22864, 40012, 45728, 80024, 91456, 160048, 182912, 320096, 365824, 640192, 731648, 1280384, 1463296, 2560768, 2926592, 5121536, 10243072, 20486144]

約数ペア:

[(1, 20486144), (2, 10243072), (4, 5121536), (7, 2926592), (8, 2560768), (14, 1463296), (16, 1280384), (28, 731648), (32, 640192), (56, 365824), (64, 320096), (112, 182912), (128, 160048), (224, 91456), (256, 80024), (448, 45728), (512, 40012), (896, 22864), (1024, 20006), (1429, 14336), (1792, 11432), (2048, 10003), (2858, 7168), (3584, 5716)]