20115823

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 26314848

約数和(自身を除く): 6199025

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 1373, 2093, 9611, 14651, 17849, 31579, 67277, 124943, 221053, 410527, 874601, 1547371, 2873689, 20115823]

約数ペア:

[(1, 20115823), (7, 2873689), (13, 1547371), (23, 874601), (49, 410527), (91, 221053), (161, 124943), (299, 67277), (637, 31579), (1127, 17849), (1373, 14651), (2093, 9611)]