20565209853

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10727809}}^1$

素因数の和:10727889

約数の個数: 16

約数和(自身を含む): 30896092800

約数和(自身を除く): 10330882947

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10727809, 32183427, 96550281, 289650843, 761674439, 2285023317, 6855069951, 20565209853]

約数ペア:

[(1, 20565209853), (3, 6855069951), (9, 2285023317), (27, 761674439), (71, 289650843), (213, 96550281), (639, 32183427), (1917, 10727809)]