20455936

素因数分解:

$2^9\times {\mathrm{39953}}^1$

素因数の和:39971

約数の個数: 20

約数和(自身を含む): 40872942

約数和(自身を除く): 20417006

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39953, 79906, 159812, 319624, 639248, 1278496, 2556992, 5113984, 10227968, 20455936]

約数ペア:

[(1, 20455936), (2, 10227968), (4, 5113984), (8, 2556992), (16, 1278496), (32, 639248), (64, 319624), (128, 159812), (256, 79906), (512, 39953)]