20364544

素因数分解:

$2^8\times {\mathrm{79549}}^1$

素因数の和:79565

約数の個数: 18

約数和(自身を含む): 40650050

約数和(自身を除く): 20285506

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 79549, 159098, 318196, 636392, 1272784, 2545568, 5091136, 10182272, 20364544]

約数ペア:

[(1, 20364544), (2, 10182272), (4, 5091136), (8, 2545568), (16, 1272784), (32, 636392), (64, 318196), (128, 159098), (256, 79549)]