20698055

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8101}}^1$

素因数の和:8186

約数の個数: 16

約数和(自身を含む): 28778304

約数和(自身を除く): 8080249

約数列:

[1, 5, 7, 35, 73, 365, 511, 2555, 8101, 40505, 56707, 283535, 591373, 2956865, 4139611, 20698055]

約数ペア:

[(1, 20698055), (5, 4139611), (7, 2956865), (35, 591373), (73, 283535), (365, 56707), (511, 40505), (2555, 8101)]