20169728

素因数分解:

$2^{10}\times {\mathrm{19697}}^1$

素因数の和:19717

約数の個数: 22

約数和(自身を含む): 40321806

約数和(自身を除く): 20152078

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19697, 39394, 78788, 157576, 315152, 630304, 1260608, 2521216, 5042432, 10084864, 20169728]

約数ペア:

[(1, 20169728), (2, 10084864), (4, 5042432), (8, 2521216), (16, 1260608), (32, 630304), (64, 315152), (128, 157576), (256, 78788), (512, 39394), (1024, 19697)]