20278912

素因数分解:

$2^7\times {\mathrm{158429}}^1$

素因数の和:158443

約数の個数: 16

約数和(自身を含む): 40399650

約数和(自身を除く): 20120738

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 158429, 316858, 633716, 1267432, 2534864, 5069728, 10139456, 20278912]

約数ペア:

[(1, 20278912), (2, 10139456), (4, 5069728), (8, 2534864), (16, 1267432), (32, 633716), (64, 316858), (128, 158429)]