22019804920

素因数分解:

$2^3\times 5^1\times {\mathrm{550495123}}^1$

素因数の和:550495134

約数の個数: 16

約数和(自身を含む): 49544561160

約数和(自身を除く): 27524756240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 550495123, 1100990246, 2201980492, 2752475615, 4403960984, 5504951230, 11009902460, 22019804920]

約数ペア:

[(1, 22019804920), (2, 11009902460), (4, 5504951230), (5, 4403960984), (8, 2752475615), (10, 2201980492), (20, 1100990246), (40, 550495123)]