20257523

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 25376976

約数和(自身を除く): 5119453

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 641, 1859, 2431, 2873, 7051, 8333, 10897, 31603, 91663, 108329, 119867, 141661, 1191619, 1558271, 1841593, 20257523]

約数ペア:

[(1, 20257523), (11, 1841593), (13, 1558271), (17, 1191619), (143, 141661), (169, 119867), (187, 108329), (221, 91663), (641, 31603), (1859, 10897), (2431, 8333), (2873, 7051)]