20124172

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5087}}^1$

素因数の和:5157

約数の個数: 24

約数和(自身を含む): 37610496

約数和(自身を除く): 17486324

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5087, 10174, 20348, 117001, 218741, 234002, 437482, 468004, 874964, 5031043, 10062086, 20124172]

約数ペア:

[(1, 20124172), (2, 10062086), (4, 5031043), (23, 874964), (43, 468004), (46, 437482), (86, 234002), (92, 218741), (172, 117001), (989, 20348), (1978, 10174), (3956, 5087)]