20202440

素因数分解:

$2^3\times 5^1\times {\mathrm{505061}}^1$

素因数の和:505072

約数の個数: 16

約数和(自身を含む): 45455580

約数和(自身を除く): 25253140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505061, 1010122, 2020244, 2525305, 4040488, 5050610, 10101220, 20202440]

約数ペア:

[(1, 20202440), (2, 10101220), (4, 5050610), (5, 4040488), (8, 2525305), (10, 2020244), (20, 1010122), (40, 505061)]