2009248420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{555041}}^1$

素因数の和:555231

約数の個数: 24

約数和(自身を含む): 4242741048

約数和(自身を除く): 2233492628

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 555041, 1110082, 2220164, 2775205, 5550410, 11100820, 100462421, 200924842, 401849684, 502312105, 1004624210, 2009248420]

約数ペア:

[(1, 2009248420), (2, 1004624210), (4, 502312105), (5, 401849684), (10, 200924842), (20, 100462421), (181, 11100820), (362, 5550410), (724, 2775205), (905, 2220164), (1810, 1110082), (3620, 555041)]