20164900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28807}}^1$

素因数の和:28828

約数の個数: 36

約数和(自身を含む): 50010688

約数和(自身を除く): 29845788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28807, 57614, 115228, 144035, 201649, 288070, 403298, 576140, 720175, 806596, 1008245, 1440350, 2016490, 2880700, 4032980, 5041225, 10082450, 20164900]

約数ペア:

[(1, 20164900), (2, 10082450), (4, 5041225), (5, 4032980), (7, 2880700), (10, 2016490), (14, 1440350), (20, 1008245), (25, 806596), (28, 720175), (35, 576140), (50, 403298), (70, 288070), (100, 201649), (140, 144035), (175, 115228), (350, 57614), (700, 28807)]