20194180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9803}}^1$

素因数の和:9915

約数の個数: 24

約数和(自身を含む): 42823872

約数和(自身を除く): 22629692

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9803, 19606, 39212, 49015, 98030, 196060, 1009709, 2019418, 4038836, 5048545, 10097090, 20194180]

約数ペア:

[(1, 20194180), (2, 10097090), (4, 5048545), (5, 4038836), (10, 2019418), (20, 1009709), (103, 196060), (206, 98030), (412, 49015), (515, 39212), (1030, 19606), (2060, 9803)]