206830180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{100403}}^1$

素因数の和:100515

約数の個数: 24

約数和(自身を含む): 438564672

約数和(自身を除く): 231734492

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 100403, 200806, 401612, 502015, 1004030, 2008060, 10341509, 20683018, 41366036, 51707545, 103415090, 206830180]

約数ペア:

[(1, 206830180), (2, 103415090), (4, 51707545), (5, 41366036), (10, 20683018), (20, 10341509), (103, 2008060), (206, 1004030), (412, 502015), (515, 401612), (1030, 200806), (2060, 100403)]