20340579

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1831}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 32419072

約数和(自身を除く): 12078493

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1831, 3703, 5493, 11109, 12817, 38451, 42113, 126339, 294791, 884373, 968599, 2905797, 6780193, 20340579]

約数ペア:

[(1, 20340579), (3, 6780193), (7, 2905797), (21, 968599), (23, 884373), (69, 294791), (161, 126339), (483, 42113), (529, 38451), (1587, 12817), (1831, 11109), (3703, 5493)]