20109303

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1028

約数の個数: 20

約数和(自身を含む): 30162880

約数和(自身を除く): 10053577

約数列:

[1, 3, 9, 27, 81, 409, 607, 1227, 1821, 3681, 5463, 11043, 16389, 33129, 49167, 248263, 744789, 2234367, 6703101, 20109303]

約数ペア:

[(1, 20109303), (3, 6703101), (9, 2234367), (27, 744789), (81, 248263), (409, 49167), (607, 33129), (1227, 16389), (1821, 11043), (3681, 5463)]