20698917

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 28723200

約数和(自身を除く): 8024283

約数列:

[1, 3, 31, 93, 131, 393, 1699, 4061, 5097, 12183, 52669, 158007, 222569, 667707, 6899639, 20698917]

約数ペア:

[(1, 20698917), (3, 6899639), (31, 667707), (93, 222569), (131, 158007), (393, 52669), (1699, 12183), (4061, 5097)]