20005148

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1087}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 36191232

約数和(自身を除く): 16186084

約数列:

[1, 2, 4, 43, 86, 107, 172, 214, 428, 1087, 2174, 4348, 4601, 9202, 18404, 46741, 93482, 116309, 186964, 232618, 465236, 5001287, 10002574, 20005148]

約数ペア:

[(1, 20005148), (2, 10002574), (4, 5001287), (43, 465236), (86, 232618), (107, 186964), (172, 116309), (214, 93482), (428, 46741), (1087, 18404), (2174, 9202), (4348, 4601)]