20512497895

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{16067}}^1$

素因数の和:16279

約数の個数: 32

約数和(自身を含む): 25908300288

約数和(自身を除く): 5395802393

約数列:

[1, 5, 37, 67, 103, 185, 335, 515, 2479, 3811, 6901, 12395, 16067, 19055, 34505, 80335, 255337, 594479, 1076489, 1276685, 1654901, 2972395, 5382445, 8274505, 39830093, 61231337, 110878367, 199150465, 306156685, 554391835, 4102499579, 20512497895]

約数ペア:

[(1, 20512497895), (5, 4102499579), (37, 554391835), (67, 306156685), (103, 199150465), (185, 110878367), (335, 61231337), (515, 39830093), (2479, 8274505), (3811, 5382445), (6901, 2972395), (12395, 1654901), (16067, 1276685), (19055, 1076489), (34505, 594479), (80335, 255337)]