20539404

素因数分解:

$2^2\times 3^2\times {\mathrm{570539}}^1$

素因数の和:570549

約数の個数: 18

約数和(自身を含む): 51919140

約数和(自身を除く): 31379736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570539, 1141078, 1711617, 2282156, 3423234, 5134851, 6846468, 10269702, 20539404]

約数ペア:

[(1, 20539404), (2, 10269702), (3, 6846468), (4, 5134851), (6, 3423234), (9, 2282156), (12, 1711617), (18, 1141078), (36, 570539)]