20203790

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4799}}^1$

素因数の和:5227

約数の個数: 16

約数和(自身を含む): 36460800

約数和(自身を除く): 16257010

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4799, 9598, 23995, 47990, 2020379, 4040758, 10101895, 20203790]

約数ペア:

[(1, 20203790), (2, 10101895), (5, 4040758), (10, 2020379), (421, 47990), (842, 23995), (2105, 9598), (4210, 4799)]