20391129

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1058

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 13062951

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 967, 1917, 2343, 2901, 7029, 8703, 10637, 21087, 26109, 31911, 68657, 95733, 205971, 287199, 617913, 755227, 1853739, 2265681, 6797043, 20391129]

約数ペア:

[(1, 20391129), (3, 6797043), (9, 2265681), (11, 1853739), (27, 755227), (33, 617913), (71, 287199), (99, 205971), (213, 95733), (297, 68657), (639, 31911), (781, 26109), (967, 21087), (1917, 10637), (2343, 8703), (2901, 7029)]