20804905288

素因数分解:

$2^3\times {\mathrm{337}}^1\times {\mathrm{7716953}}^1$

素因数の和:7717296

約数の個数: 16

約数和(自身を含む): 39124956780

約数和(自身を除く): 18320051492

約数列:

[1, 2, 4, 8, 337, 674, 1348, 2696, 7716953, 15433906, 30867812, 61735624, 2600613161, 5201226322, 10402452644, 20804905288]

約数ペア:

[(1, 20804905288), (2, 10402452644), (4, 5201226322), (8, 2600613161), (337, 61735624), (674, 30867812), (1348, 15433906), (2696, 7716953)]