22371920

素因数分解:

$2^4\times 5^1\times {\mathrm{279649}}^1$

素因数の和:279662

約数の個数: 20

約数和(自身を含む): 52014900

約数和(自身を除く): 29642980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279649, 559298, 1118596, 1398245, 2237192, 2796490, 4474384, 5592980, 11185960, 22371920]

約数ペア:

[(1, 22371920), (2, 11185960), (4, 5592980), (5, 4474384), (8, 2796490), (10, 2237192), (16, 1398245), (20, 1118596), (40, 559298), (80, 279649)]