20287836

素因数分解:

$2^2\times 3^2\times {\mathrm{563551}}^1$

素因数の和:563561

約数の個数: 18

約数和(自身を含む): 51283232

約数和(自身を除く): 30995396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563551, 1127102, 1690653, 2254204, 3381306, 5071959, 6762612, 10143918, 20287836]

約数ペア:

[(1, 20287836), (2, 10143918), (3, 6762612), (4, 5071959), (6, 3381306), (9, 2254204), (12, 1690653), (18, 1127102), (36, 563551)]