20489706

素因数分解:

$2^1\times 3^3\times {\mathrm{379439}}^1$

素因数の和:379450

約数の個数: 16

約数和(自身を含む): 45532800

約数和(自身を除く): 25043094

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 379439, 758878, 1138317, 2276634, 3414951, 6829902, 10244853, 20489706]

約数ペア:

[(1, 20489706), (2, 10244853), (3, 6829902), (6, 3414951), (9, 2276634), (18, 1138317), (27, 758878), (54, 379439)]