20196021

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 27838080

約数和(自身を除く): 7642059

約数列:

[1, 3, 53, 71, 159, 213, 1789, 3763, 5367, 11289, 94817, 127019, 284451, 381057, 6732007, 20196021]

約数ペア:

[(1, 20196021), (3, 6732007), (53, 381057), (71, 284451), (159, 127019), (213, 94817), (1789, 11289), (3763, 5367)]