20347508890

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19754863}}^1$

素因数の和:19754973

約数の個数: 16

約数和(自身を含む): 36981105408

約数和(自身を除く): 16633596518

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19754863, 39509726, 98774315, 197548630, 2034750889, 4069501778, 10173754445, 20347508890]

約数ペア:

[(1, 20347508890), (2, 10173754445), (5, 4069501778), (10, 2034750889), (103, 197548630), (206, 98774315), (515, 39509726), (1030, 19754863)]