20687042

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5867}}^1$

素因数の和:5953

約数の個数: 16

約数和(自身を含む): 32532192

約数和(自身を除く): 11845150

約数列:

[1, 2, 41, 43, 82, 86, 1763, 3526, 5867, 11734, 240547, 252281, 481094, 504562, 10343521, 20687042]

約数ペア:

[(1, 20687042), (2, 10343521), (41, 504562), (43, 481094), (82, 252281), (86, 240547), (1763, 11734), (3526, 5867)]