20872727475

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2031409}}^1$

素因数の和:2031559

約数の個数: 24

約数和(自身を含む): 34761487920

約数和(自身を除く): 13888760445

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2055, 3425, 10275, 2031409, 6094227, 10157045, 30471135, 50785225, 152355675, 278303033, 834909099, 1391515165, 4174545495, 6957575825, 20872727475]

約数ペア:

[(1, 20872727475), (3, 6957575825), (5, 4174545495), (15, 1391515165), (25, 834909099), (75, 278303033), (137, 152355675), (411, 50785225), (685, 30471135), (2055, 10157045), (3425, 6094227), (10275, 2031409)]