20066991

素因数分解:

$3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2707}}^1$

素因数の和:3070

約数の個数: 16

約数和(自身を含む): 30676224

約数和(自身を除く): 10609233

約数列:

[1, 3, 7, 21, 353, 1059, 2471, 2707, 7413, 8121, 18949, 56847, 955571, 2866713, 6688997, 20066991]

約数ペア:

[(1, 20066991), (3, 6688997), (7, 2866713), (21, 955571), (353, 56847), (1059, 18949), (2471, 8121), (2707, 7413)]