20486656

素因数分解:

$2^9\times {\mathrm{40013}}^1$

素因数の和:40031

約数の個数: 20

約数和(自身を含む): 40934322

約数和(自身を除く): 20447666

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40013, 80026, 160052, 320104, 640208, 1280416, 2560832, 5121664, 10243328, 20486656]

約数ペア:

[(1, 20486656), (2, 10243328), (4, 5121664), (8, 2560832), (16, 1280416), (32, 640208), (64, 320104), (128, 160052), (256, 80026), (512, 40013)]