20473856

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 44144100

約数和(自身を除く): 23670244

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 769, 832, 1024, 1538, 1664, 2048, 3076, 3328, 6152, 6656, 9997, 12304, 13312, 19994, 24608, 26624, 39988, 49216, 79976, 98432, 159952, 196864, 319904, 393728, 639808, 787456, 1279616, 1574912, 2559232, 5118464, 10236928, 20473856]

約数ペア:

[(1, 20473856), (2, 10236928), (4, 5118464), (8, 2559232), (13, 1574912), (16, 1279616), (26, 787456), (32, 639808), (52, 393728), (64, 319904), (104, 196864), (128, 159952), (208, 98432), (256, 79976), (416, 49216), (512, 39988), (769, 26624), (832, 24608), (1024, 19994), (1538, 13312), (1664, 12304), (2048, 9997), (3076, 6656), (3328, 6152)]