20976610

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2381}}^1$

素因数の和:3269

約数の個数: 16

約数和(自身を含む): 37816632

約数和(自身を除く): 16840022

約数列:

[1, 2, 5, 10, 881, 1762, 2381, 4405, 4762, 8810, 11905, 23810, 2097661, 4195322, 10488305, 20976610]

約数ペア:

[(1, 20976610), (2, 10488305), (5, 4195322), (10, 2097661), (881, 23810), (1762, 11905), (2381, 8810), (4405, 4762)]