20179876851

素因数分解:

$3^2\times {\mathrm{173}}^1\times {\mathrm{12960743}}^1$

素因数の和:12960922

約数の個数: 12

約数和(自身を含む): 29317202928

約数和(自身を除く): 9137326077

約数列:

[1, 3, 9, 173, 519, 1557, 12960743, 38882229, 116646687, 2242208539, 6726625617, 20179876851]

約数ペア:

[(1, 20179876851), (3, 6726625617), (9, 2242208539), (173, 116646687), (519, 38882229), (1557, 12960743)]