20389012972

素因数分解:

$2^2\times {\mathrm{359}}^1\times {\mathrm{379}}^1\times {\mathrm{37463}}^1$

素因数の和:38205

約数の個数: 24

約数和(自身を含む): 35875526400

約数和(自身を除く): 15486513428

約数列:

[1, 2, 4, 359, 379, 718, 758, 1436, 1516, 37463, 74926, 136061, 149852, 272122, 544244, 13449217, 14198477, 26898434, 28396954, 53796868, 56793908, 5097253243, 10194506486, 20389012972]

約数ペア:

[(1, 20389012972), (2, 10194506486), (4, 5097253243), (359, 56793908), (379, 53796868), (718, 28396954), (758, 26898434), (1436, 14198477), (1516, 13449217), (37463, 544244), (74926, 272122), (136061, 149852)]