20117680796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{667829}}^1$

素因数の和:668293

約数の個数: 24

約数和(自身を含む): 37361081520

約数和(自身を除く): 17243400724

約数列:

[1, 2, 4, 17, 34, 68, 443, 886, 1772, 7531, 15062, 30124, 667829, 1335658, 2671316, 11353093, 22706186, 45412372, 295848247, 591696494, 1183392988, 5029420199, 10058840398, 20117680796]

約数ペア:

[(1, 20117680796), (2, 10058840398), (4, 5029420199), (17, 1183392988), (34, 591696494), (68, 295848247), (443, 45412372), (886, 22706186), (1772, 11353093), (7531, 2671316), (15062, 1335658), (30124, 667829)]