20565475587

素因数分解:

$3^3\times {\mathrm{2381}}^1\times {\mathrm{319901}}^1$

素因数の和:322291

約数の個数: 16

約数和(自身を含む): 30480262560

約数和(自身を除く): 9914786973

約数列:

[1, 3, 9, 27, 2381, 7143, 21429, 64287, 319901, 959703, 2879109, 8637327, 761684281, 2285052843, 6855158529, 20565475587]

約数ペア:

[(1, 20565475587), (3, 6855158529), (9, 2285052843), (27, 761684281), (2381, 8637327), (7143, 2879109), (21429, 959703), (64287, 319901)]