20654604

素因数分解:

$2^2\times 3^2\times {\mathrm{573739}}^1$

素因数の和:573749

約数の個数: 18

約数和(自身を含む): 52210340

約数和(自身を除く): 31555736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 573739, 1147478, 1721217, 2294956, 3442434, 5163651, 6884868, 10327302, 20654604]

約数ペア:

[(1, 20654604), (2, 10327302), (3, 6884868), (4, 5163651), (6, 3442434), (9, 2294956), (12, 1721217), (18, 1147478), (36, 573739)]