20900864

素因数分解:

$2^{10}\times {\mathrm{20411}}^1$

素因数の和:20431

約数の個数: 22

約数和(自身を含む): 41783364

約数和(自身を除く): 20882500

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20411, 40822, 81644, 163288, 326576, 653152, 1306304, 2612608, 5225216, 10450432, 20900864]

約数ペア:

[(1, 20900864), (2, 10450432), (4, 5225216), (8, 2612608), (16, 1306304), (32, 653152), (64, 326576), (128, 163288), (256, 81644), (512, 40822), (1024, 20411)]