20835729790

素因数分解:

$2^1\times 5^1\times {\mathrm{8011}}^1\times {\mathrm{260089}}^1$

素因数の和:268107

約数の個数: 16

約数和(自身を含む): 37509139440

約数和(自身を除く): 16673409650

約数列:

[1, 2, 5, 10, 8011, 16022, 40055, 80110, 260089, 520178, 1300445, 2600890, 2083572979, 4167145958, 10417864895, 20835729790]

約数ペア:

[(1, 20835729790), (2, 10417864895), (5, 4167145958), (10, 2083572979), (8011, 2600890), (16022, 1300445), (40055, 520178), (80110, 260089)]