20162259

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 31515120

約数和(自身を除く): 11352861

約数列:

[1, 3, 9, 13, 39, 117, 389, 443, 1167, 1329, 3501, 3987, 5057, 5759, 15171, 17277, 45513, 51831, 172327, 516981, 1550943, 2240251, 6720753, 20162259]

約数ペア:

[(1, 20162259), (3, 6720753), (9, 2240251), (13, 1550943), (39, 516981), (117, 172327), (389, 51831), (443, 45513), (1167, 17277), (1329, 15171), (3501, 5759), (3987, 5057)]