20574555

素因数分解:

$3^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1721}}^1$

素因数の和:2526

約数の個数: 16

約数和(自身を含む): 32979744

約数和(自身を除く): 12405189

約数列:

[1, 3, 5, 15, 797, 1721, 2391, 3985, 5163, 8605, 11955, 25815, 1371637, 4114911, 6858185, 20574555]

約数ペア:

[(1, 20574555), (3, 6858185), (5, 4114911), (15, 1371637), (797, 25815), (1721, 11955), (2391, 8605), (3985, 5163)]