2021852144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9720443}}^1$

素因数の和:9720464

約数の個数: 20

約数和(自身を含む): 4218672696

約数和(自身を除く): 2196820552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9720443, 19440886, 38881772, 77763544, 126365759, 155527088, 252731518, 505463036, 1010926072, 2021852144]

約数ペア:

[(1, 2021852144), (2, 1010926072), (4, 505463036), (8, 252731518), (13, 155527088), (16, 126365759), (26, 77763544), (52, 38881772), (104, 19440886), (208, 9720443)]