20842218

素因数分解:

$2^1\times 3^3\times {\mathrm{385967}}^1$

素因数の和:385978

約数の個数: 16

約数和(自身を含む): 46316160

約数和(自身を除く): 25473942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 385967, 771934, 1157901, 2315802, 3473703, 6947406, 10421109, 20842218]

約数ペア:

[(1, 20842218), (2, 10421109), (3, 6947406), (6, 3473703), (9, 2315802), (18, 1157901), (27, 771934), (54, 385967)]