20163756680

素因数分解:

$2^3\times 5^1\times {\mathrm{504093917}}^1$

素因数の和:504093928

約数の個数: 16

約数和(自身を含む): 45368452620

約数和(自身を除く): 25204695940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504093917, 1008187834, 2016375668, 2520469585, 4032751336, 5040939170, 10081878340, 20163756680]

約数ペア:

[(1, 20163756680), (2, 10081878340), (4, 5040939170), (5, 4032751336), (8, 2520469585), (10, 2016375668), (20, 1008187834), (40, 504093917)]