20047521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10937}}^1$

素因数の和:11000

約数の個数: 16

約数和(自身を含む): 29401344

約数和(自身を除く): 9353823

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10937, 32811, 142181, 426543, 514039, 1542117, 6682507, 20047521]

約数ペア:

[(1, 20047521), (3, 6682507), (13, 1542117), (39, 514039), (47, 426543), (141, 142181), (611, 32811), (1833, 10937)]