20804915908

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2069729}}^1$

素因数の和:2070099

約数の個数: 24

約数和(自身を含む): 41725756800

約数和(自身を除く): 20920840892

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2513, 5026, 10052, 2069729, 4139458, 8278916, 14488103, 28976206, 57952412, 743032711, 1486065422, 2972130844, 5201228977, 10402457954, 20804915908]

約数ペア:

[(1, 20804915908), (2, 10402457954), (4, 5201228977), (7, 2972130844), (14, 1486065422), (28, 743032711), (359, 57952412), (718, 28976206), (1436, 14488103), (2513, 8278916), (5026, 4139458), (10052, 2069729)]