20522416

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4877}}^1$

素因数の和:5148

約数の個数: 20

約数和(自身を含む): 39921552

約数和(自身を除く): 19399136

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4877, 9754, 19508, 39016, 78032, 1282651, 2565302, 5130604, 10261208, 20522416]

約数ペア:

[(1, 20522416), (2, 10261208), (4, 5130604), (8, 2565302), (16, 1282651), (263, 78032), (526, 39016), (1052, 19508), (2104, 9754), (4208, 4877)]