20825604

素因数分解:

$2^2\times 3^2\times {\mathrm{578489}}^1$

素因数の和:578499

約数の個数: 18

約数和(自身を含む): 52642590

約数和(自身を除く): 31816986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578489, 1156978, 1735467, 2313956, 3470934, 5206401, 6941868, 10412802, 20825604]

約数ペア:

[(1, 20825604), (2, 10412802), (3, 6941868), (4, 5206401), (6, 3470934), (9, 2313956), (12, 1735467), (18, 1156978), (36, 578489)]