20591288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135469}}^1$

素因数の和:135494

約数の個数: 16

約数和(自身を含む): 40641000

約数和(自身を除く): 20049712

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135469, 270938, 541876, 1083752, 2573911, 5147822, 10295644, 20591288]

約数ペア:

[(1, 20591288), (2, 10295644), (4, 5147822), (8, 2573911), (19, 1083752), (38, 541876), (76, 270938), (152, 135469)]