20888957315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{132911}}^1$

素因数の和:133019

約数の個数: 24

約数和(自身を含む): 27173060928

約数和(自身を除く): 6284103613

約数列:

[1, 5, 17, 43, 85, 215, 731, 1849, 3655, 9245, 31433, 132911, 157165, 664555, 2259487, 5715173, 11297435, 28575865, 97157941, 245752439, 485789705, 1228762195, 4177791463, 20888957315]

約数ペア:

[(1, 20888957315), (5, 4177791463), (17, 1228762195), (43, 485789705), (85, 245752439), (215, 97157941), (731, 28575865), (1849, 11297435), (3655, 5715173), (9245, 2259487), (31433, 664555), (132911, 157165)]