20479232

素因数分解:

$2^8\times {\mathrm{79997}}^1$

素因数の和:80013

約数の個数: 18

約数和(自身を含む): 40878978

約数和(自身を除く): 20399746

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 79997, 159994, 319988, 639976, 1279952, 2559904, 5119808, 10239616, 20479232]

約数ペア:

[(1, 20479232), (2, 10239616), (4, 5119808), (8, 2559904), (16, 1279952), (32, 639976), (64, 319988), (128, 159994), (256, 79997)]