20867681

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 2172319

約数列:

[1, 19, 31, 71, 499, 589, 1349, 2201, 9481, 15469, 35429, 41819, 293911, 673151, 1098299, 20867681]

約数ペア:

[(1, 20867681), (19, 1098299), (31, 673151), (71, 293911), (499, 41819), (589, 35429), (1349, 15469), (2201, 9481)]