20685824

素因数分解:

$2^{10}\times {\mathrm{20201}}^1$

素因数の和:20221

約数の個数: 22

約数和(自身を含む): 41353494

約数和(自身を除く): 20667670

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20201, 40402, 80804, 161608, 323216, 646432, 1292864, 2585728, 5171456, 10342912, 20685824]

約数ペア:

[(1, 20685824), (2, 10342912), (4, 5171456), (8, 2585728), (16, 1292864), (32, 646432), (64, 323216), (128, 161608), (256, 80804), (512, 40402), (1024, 20201)]