20925772

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4129}}^1$

素因数の和:4321

約数の個数: 24

約数和(自身を含む): 42092960

約数和(自身を除く): 21167188

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 4129, 5068, 8258, 16516, 28903, 57806, 115612, 747349, 1494698, 2989396, 5231443, 10462886, 20925772]

約数ペア:

[(1, 20925772), (2, 10462886), (4, 5231443), (7, 2989396), (14, 1494698), (28, 747349), (181, 115612), (362, 57806), (724, 28903), (1267, 16516), (2534, 8258), (4129, 5068)]