20807764976

素因数分解:

$2^4\times {\mathrm{18043}}^1\times {\mathrm{72077}}^1$

素因数の和:90128

約数の個数: 20

約数和(自身を含む): 40317838392

約数和(自身を除く): 19510073416

約数列:

[1, 2, 4, 8, 16, 18043, 36086, 72077, 72172, 144154, 144344, 288308, 288688, 576616, 1153232, 1300485311, 2600970622, 5201941244, 10403882488, 20807764976]

約数ペア:

[(1, 20807764976), (2, 10403882488), (4, 5201941244), (8, 2600970622), (16, 1300485311), (18043, 1153232), (36086, 576616), (72077, 288688), (72172, 288308), (144154, 144344)]