20649180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344153}}^1$

素因数の和:344165

約数の個数: 24

約数和(自身を含む): 57817872

約数和(自身を除く): 37168692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344153, 688306, 1032459, 1376612, 1720765, 2064918, 3441530, 4129836, 5162295, 6883060, 10324590, 20649180]

約数ペア:

[(1, 20649180), (2, 10324590), (3, 6883060), (4, 5162295), (5, 4129836), (6, 3441530), (10, 2064918), (12, 1720765), (15, 1376612), (20, 1032459), (30, 688306), (60, 344153)]