20512456940

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3624109}}^1$

素因数の和:3624401

約数の個数: 24

約数和(自身を含む): 43228384080

約数和(自身を除く): 22715927140

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 3624109, 7248218, 14496436, 18120545, 36241090, 72482180, 1025622847, 2051245694, 4102491388, 5128114235, 10256228470, 20512456940]

約数ペア:

[(1, 20512456940), (2, 10256228470), (4, 5128114235), (5, 4102491388), (10, 2051245694), (20, 1025622847), (283, 72482180), (566, 36241090), (1132, 18120545), (1415, 14496436), (2830, 7248218), (5660, 3624109)]