20792871

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1511}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 12229209

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1511, 1529, 4533, 4587, 13599, 13761, 16621, 49863, 149589, 210029, 630087, 1890261, 2310319, 6930957, 20792871]

約数ペア:

[(1, 20792871), (3, 6930957), (9, 2310319), (11, 1890261), (33, 630087), (99, 210029), (139, 149589), (417, 49863), (1251, 16621), (1511, 13761), (1529, 13599), (4533, 4587)]