20744670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{691489}}^1$

素因数の和:691499

約数の個数: 16

約数和(自身を含む): 49787280

約数和(自身を除く): 29042610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 691489, 1382978, 2074467, 3457445, 4148934, 6914890, 10372335, 20744670]

約数ペア:

[(1, 20744670), (2, 10372335), (3, 6914890), (5, 4148934), (6, 3457445), (10, 2074467), (15, 1382978), (30, 691489)]