20194992009

素因数分解:

$3^7\times {\mathrm{9234107}}^1$

素因数の和:9234128

約数の個数: 16

約数和(自身を含む): 30287874240

約数和(自身を除く): 10092882231

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 9234107, 27702321, 83106963, 249320889, 747962667, 2243888001, 6731664003, 20194992009]

約数ペア:

[(1, 20194992009), (3, 6731664003), (9, 2243888001), (27, 747962667), (81, 249320889), (243, 83106963), (729, 27702321), (2187, 9234107)]