20386874

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2161}}^1$

素因数の和:2305

約数の個数: 16

約数和(自身を含む): 31521960

約数和(自身を除く): 11135086

約数列:

[1, 2, 53, 89, 106, 178, 2161, 4322, 4717, 9434, 114533, 192329, 229066, 384658, 10193437, 20386874]

約数ペア:

[(1, 20386874), (2, 10193437), (53, 384658), (89, 229066), (106, 192329), (178, 114533), (2161, 9434), (4322, 4717)]