20880248

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36761}}^1$

素因数の和:36838

約数の個数: 16

約数和(自身を含む): 39702960

約数和(自身を除く): 18822712

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36761, 73522, 147044, 294088, 2610031, 5220062, 10440124, 20880248]

約数ペア:

[(1, 20880248), (2, 10440124), (4, 5220062), (8, 2610031), (71, 294088), (142, 147044), (284, 73522), (568, 36761)]