20121050

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{3907}}^1$

素因数の和:4022

約数の個数: 24

約数和(自身を含む): 37798176

約数和(自身を除く): 17677126

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 3907, 5150, 7814, 19535, 39070, 97675, 195350, 402421, 804842, 2012105, 4024210, 10060525, 20121050]

約数ペア:

[(1, 20121050), (2, 10060525), (5, 4024210), (10, 2012105), (25, 804842), (50, 402421), (103, 195350), (206, 97675), (515, 39070), (1030, 19535), (2575, 7814), (3907, 5150)]