20514454

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:927

約数の個数: 16

約数和(自身を含む): 31323600

約数和(自身を除く): 10809146

約数列:

[1, 2, 109, 139, 218, 278, 677, 1354, 15151, 30302, 73793, 94103, 147586, 188206, 10257227, 20514454]

約数ペア:

[(1, 20514454), (2, 10257227), (109, 188206), (139, 147586), (218, 94103), (278, 73793), (677, 30302), (1354, 15151)]