20710044290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{502549}}^1$

素因数の和:502886

約数の個数: 32

約数和(自身を含む): 40272346800

約数和(自身を除く): 19562302510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 634, 1585, 3170, 4121, 8242, 20605, 41210, 502549, 1005098, 2512745, 5025490, 6533137, 13066274, 32665685, 65331370, 159308033, 318616066, 796540165, 1593080330, 2071004429, 4142008858, 10355022145, 20710044290]

約数ペア:

[(1, 20710044290), (2, 10355022145), (5, 4142008858), (10, 2071004429), (13, 1593080330), (26, 796540165), (65, 318616066), (130, 159308033), (317, 65331370), (634, 32665685), (1585, 13066274), (3170, 6533137), (4121, 5025490), (8242, 2512745), (20605, 1005098), (41210, 502549)]