20634513

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{643}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 29057280

約数和(自身を除く): 8422767

約数列:

[1, 3, 19, 57, 563, 643, 1689, 1929, 10697, 12217, 32091, 36651, 362009, 1086027, 6878171, 20634513]

約数ペア:

[(1, 20634513), (3, 6878171), (19, 1086027), (57, 362009), (563, 36651), (643, 32091), (1689, 12217), (1929, 10697)]