20719836

素因数分解:

$2^2\times 3^2\times {\mathrm{575551}}^1$

素因数の和:575561

約数の個数: 18

約数和(自身を含む): 52375232

約数和(自身を除く): 31655396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 575551, 1151102, 1726653, 2302204, 3453306, 5179959, 6906612, 10359918, 20719836]

約数ペア:

[(1, 20719836), (2, 10359918), (3, 6906612), (4, 5179959), (6, 3453306), (9, 2302204), (12, 1726653), (18, 1151102), (36, 575551)]