20655142780

素因数分解:

$2^2\times 5^1\times {\mathrm{3511}}^1\times {\mathrm{294149}}^1$

素因数の和:297669

約数の個数: 24

約数和(自身を含む): 43388301600

約数和(自身を除く): 22733158820

約数列:

[1, 2, 4, 5, 10, 20, 3511, 7022, 14044, 17555, 35110, 70220, 294149, 588298, 1176596, 1470745, 2941490, 5882980, 1032757139, 2065514278, 4131028556, 5163785695, 10327571390, 20655142780]

約数ペア:

[(1, 20655142780), (2, 10327571390), (4, 5163785695), (5, 4131028556), (10, 2065514278), (20, 1032757139), (3511, 5882980), (7022, 2941490), (14044, 1470745), (17555, 1176596), (35110, 588298), (70220, 294149)]