20156293881

素因数分解:

$3^3\times {\mathrm{2237}}^1\times {\mathrm{333719}}^1$

素因数の和:335965

約数の個数: 16

約数和(自身を含む): 29874614400

約数和(自身を除く): 9718320519

約数列:

[1, 3, 9, 27, 2237, 6711, 20133, 60399, 333719, 1001157, 3003471, 9010413, 746529403, 2239588209, 6718764627, 20156293881]

約数ペア:

[(1, 20156293881), (3, 6718764627), (9, 2239588209), (27, 746529403), (2237, 9010413), (6711, 3003471), (20133, 1001157), (60399, 333719)]