20277789

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41983}}^1$

素因数の和:42016

約数の個数: 16

約数和(自身を含む): 32243712

約数和(自身を除く): 11965923

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41983, 125949, 293881, 881643, 965609, 2896827, 6759263, 20277789]

約数ペア:

[(1, 20277789), (3, 6759263), (7, 2896827), (21, 965609), (23, 881643), (69, 293881), (161, 125949), (483, 41983)]