20378220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339637}}^1$

素因数の和:339649

約数の個数: 24

約数和(自身を含む): 57059184

約数和(自身を除く): 36680964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339637, 679274, 1018911, 1358548, 1698185, 2037822, 3396370, 4075644, 5094555, 6792740, 10189110, 20378220]

約数ペア:

[(1, 20378220), (2, 10189110), (3, 6792740), (4, 5094555), (5, 4075644), (6, 3396370), (10, 2037822), (12, 1698185), (15, 1358548), (20, 1018911), (30, 679274), (60, 339637)]