20588217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{821}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 29644608

約数和(自身を除く): 9056391

約数列:

[1, 3, 13, 39, 643, 821, 1929, 2463, 8359, 10673, 25077, 32019, 527903, 1583709, 6862739, 20588217]

約数ペア:

[(1, 20588217), (3, 6862739), (13, 1583709), (39, 527903), (643, 32019), (821, 25077), (1929, 10673), (2463, 8359)]