20760680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5039}}^1$

素因数の和:5153

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 26413720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 5039, 10078, 20156, 25195, 40312, 50390, 100780, 201560, 519017, 1038034, 2076068, 2595085, 4152136, 5190170, 10380340, 20760680]

約数ペア:

[(1, 20760680), (2, 10380340), (4, 5190170), (5, 4152136), (8, 2595085), (10, 2076068), (20, 1038034), (40, 519017), (103, 201560), (206, 100780), (412, 50390), (515, 40312), (824, 25195), (1030, 20156), (2060, 10078), (4120, 5039)]