20019158

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:943

約数の個数: 16

約数和(自身を含む): 30579120

約数和(自身を除く): 10559962

約数列:

[1, 2, 109, 131, 218, 262, 701, 1402, 14279, 28558, 76409, 91831, 152818, 183662, 10009579, 20019158]

約数ペア:

[(1, 20019158), (2, 10009579), (109, 183662), (131, 152818), (218, 91831), (262, 76409), (701, 28558), (1402, 14279)]