19966740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332779}}^1$

素因数の和:332791

約数の個数: 24

約数和(自身を含む): 55907040

約数和(自身を除く): 35940300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332779, 665558, 998337, 1331116, 1663895, 1996674, 3327790, 3993348, 4991685, 6655580, 9983370, 19966740]

約数ペア:

[(1, 19966740), (2, 9983370), (3, 6655580), (4, 4991685), (5, 3993348), (6, 3327790), (10, 1996674), (12, 1663895), (15, 1331116), (20, 998337), (30, 665558), (60, 332779)]