20881286

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{1217}}^1$

素因数の和:1615

約数の個数: 16

約数和(自身を含む): 32798304

約数和(自身を除く): 11917018

約数列:

[1, 2, 23, 46, 373, 746, 1217, 2434, 8579, 17158, 27991, 55982, 453941, 907882, 10440643, 20881286]

約数ペア:

[(1, 20881286), (2, 10440643), (23, 907882), (46, 453941), (373, 55982), (746, 27991), (1217, 17158), (2434, 8579)]