20531718

素因数分解:

$2^1\times 3^4\times {\mathrm{126739}}^1$

素因数の和:126753

約数の個数: 20

約数和(自身を含む): 46006620

約数和(自身を除く): 25474902

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 126739, 253478, 380217, 760434, 1140651, 2281302, 3421953, 6843906, 10265859, 20531718]

約数ペア:

[(1, 20531718), (2, 10265859), (3, 6843906), (6, 3421953), (9, 2281302), (18, 1140651), (27, 760434), (54, 380217), (81, 253478), (162, 126739)]