20698804

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32141}}^1$

素因数の和:32175

約数の個数: 24

約数和(自身を含む): 43198848

約数和(自身を除く): 22500044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32141, 64282, 128564, 224987, 449974, 739243, 899948, 1478486, 2956972, 5174701, 10349402, 20698804]

約数ペア:

[(1, 20698804), (2, 10349402), (4, 5174701), (7, 2956972), (14, 1478486), (23, 899948), (28, 739243), (46, 449974), (92, 224987), (161, 128564), (322, 64282), (644, 32141)]