20972886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{317771}}^1$

素因数の和:317787

約数の個数: 16

約数和(自身を含む): 45759168

約数和(自身を除く): 24786282

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 317771, 635542, 953313, 1906626, 3495481, 6990962, 10486443, 20972886]

約数ペア:

[(1, 20972886), (2, 10486443), (3, 6990962), (6, 3495481), (11, 1906626), (22, 953313), (33, 635542), (66, 317771)]