20939277

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 28560960

約数和(自身を除く): 7621683

約数列:

[1, 3, 59, 177, 281, 421, 843, 1263, 16579, 24839, 49737, 74517, 118301, 354903, 6979759, 20939277]

約数ペア:

[(1, 20939277), (3, 6979759), (59, 354903), (177, 118301), (281, 74517), (421, 49737), (843, 24839), (1263, 16579)]