20480726

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{2029}}^1$

素因数の和:2148

約数の個数: 24

約数和(自身を含む): 36101520

約数和(自身を除く): 15620794

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 2029, 4058, 5047, 10094, 14203, 28406, 99421, 198842, 208987, 417974, 1462909, 2925818, 10240363, 20480726]

約数ペア:

[(1, 20480726), (2, 10240363), (7, 2925818), (14, 1462909), (49, 417974), (98, 208987), (103, 198842), (206, 99421), (721, 28406), (1442, 14203), (2029, 10094), (4058, 5047)]