20289180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{338153}}^1$

素因数の和:338165

約数の個数: 24

約数和(自身を含む): 56809872

約数和(自身を除く): 36520692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 338153, 676306, 1014459, 1352612, 1690765, 2028918, 3381530, 4057836, 5072295, 6763060, 10144590, 20289180]

約数ペア:

[(1, 20289180), (2, 10144590), (3, 6763060), (4, 5072295), (5, 4057836), (6, 3381530), (10, 2028918), (12, 1690765), (15, 1352612), (20, 1014459), (30, 676306), (60, 338153)]