20698467

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:1954

約数の個数: 16

約数和(自身を含む): 29205120

約数和(自身を除く): 8506653

約数列:

[1, 3, 19, 57, 211, 633, 1721, 4009, 5163, 12027, 32699, 98097, 363131, 1089393, 6899489, 20698467]

約数ペア:

[(1, 20698467), (3, 6899489), (19, 1089393), (57, 363131), (211, 98097), (633, 32699), (1721, 12027), (4009, 5163)]