20786514919

素因数分解:

${\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1321}}^1\times {\mathrm{2129}}^1$

素因数の和:3858

約数の個数: 16

約数和(自身を含む): 21963708000

約数和(自身を除く): 1177193081

約数列:

[1, 19, 389, 1321, 2129, 7391, 25099, 40451, 513869, 828181, 2812409, 9763511, 15735439, 53435771, 1094027101, 20786514919]

約数ペア:

[(1, 20786514919), (19, 1094027101), (389, 53435771), (1321, 15735439), (2129, 9763511), (7391, 2812409), (25099, 828181), (40451, 513869)]