20278006

素因数分解:

$2^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9721}}^1$

素因数の和:9879

約数の個数: 16

約数和(自身を含む): 34999200

約数和(自身を除く): 14721194

約数列:

[1, 2, 7, 14, 149, 298, 1043, 2086, 9721, 19442, 68047, 136094, 1448429, 2896858, 10139003, 20278006]

約数ペア:

[(1, 20278006), (2, 10139003), (7, 2896858), (14, 1448429), (149, 136094), (298, 68047), (1043, 19442), (2086, 9721)]