20495872

素因数分解:

$2^9\times {\mathrm{40031}}^1$

素因数の和:40049

約数の個数: 20

約数和(自身を含む): 40952736

約数和(自身を除く): 20456864

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40031, 80062, 160124, 320248, 640496, 1280992, 2561984, 5123968, 10247936, 20495872]

約数ペア:

[(1, 20495872), (2, 10247936), (4, 5123968), (8, 2561984), (16, 1280992), (32, 640496), (64, 320248), (128, 160124), (256, 80062), (512, 40031)]