20247740

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9829}}^1$

素因数の和:9941

約数の個数: 24

約数和(自身を含む): 42937440

約数和(自身を除く): 22689700

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9829, 19658, 39316, 49145, 98290, 196580, 1012387, 2024774, 4049548, 5061935, 10123870, 20247740]

約数ペア:

[(1, 20247740), (2, 10123870), (4, 5061935), (5, 4049548), (10, 2024774), (20, 1012387), (103, 196580), (206, 98290), (412, 49145), (515, 39316), (1030, 19658), (2060, 9829)]