20009943

素因数分解:

$3^3\times {\mathrm{331}}^1\times {\mathrm{2239}}^1$

素因数の和:2579

約数の個数: 16

約数和(自身を含む): 29747200

約数和(自身を除く): 9737257

約数列:

[1, 3, 9, 27, 331, 993, 2239, 2979, 6717, 8937, 20151, 60453, 741109, 2223327, 6669981, 20009943]

約数ペア:

[(1, 20009943), (3, 6669981), (9, 2223327), (27, 741109), (331, 60453), (993, 20151), (2239, 8937), (2979, 6717)]