20646245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{829}}^1$

素因数の和:1144

約数の個数: 16

約数和(自身を含む): 26354160

約数和(自身を除く): 5707915

約数列:

[1, 5, 17, 85, 293, 829, 1465, 4145, 4981, 14093, 24905, 70465, 242897, 1214485, 4129249, 20646245]

約数ペア:

[(1, 20646245), (5, 4129249), (17, 1214485), (85, 242897), (293, 70465), (829, 24905), (1465, 14093), (4145, 4981)]