20530958

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20089}}^1$

素因数の和:20171

約数の個数: 16

約数和(自身を含む): 35679840

約数和(自身を除く): 15148882

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20089, 40178, 140623, 281246, 1466497, 2932994, 10265479, 20530958]

約数ペア:

[(1, 20530958), (2, 10265479), (7, 2932994), (14, 1466497), (73, 281246), (146, 140623), (511, 40178), (1022, 20089)]