201662980

素因数分解:

$2^2\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{6911}}^1$

素因数の和:8379

約数の個数: 24

約数和(自身を含む): 423843840

約数和(自身を除く): 222180860

約数列:

[1, 2, 4, 5, 10, 20, 1459, 2918, 5836, 6911, 7295, 13822, 14590, 27644, 29180, 34555, 69110, 138220, 10083149, 20166298, 40332596, 50415745, 100831490, 201662980]

約数ペア:

[(1, 201662980), (2, 100831490), (4, 50415745), (5, 40332596), (10, 20166298), (20, 10083149), (1459, 138220), (2918, 69110), (5836, 34555), (6911, 29180), (7295, 27644), (13822, 14590)]