20458437

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 27901440

約数和(自身を除く): 7443003

約数列:

[1, 3, 71, 139, 213, 417, 691, 2073, 9869, 29607, 49061, 96049, 147183, 288147, 6819479, 20458437]

約数ペア:

[(1, 20458437), (3, 6819479), (71, 288147), (139, 147183), (213, 96049), (417, 49061), (691, 29607), (2073, 9869)]