20803559427

素因数分解:

$3^4\times 7^1\times {\mathrm{36690581}}^1$

素因数の和:36690600

約数の個数: 20

約数和(自身を含む): 35516483376

約数和(自身を除く): 14712923949

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36690581, 110071743, 256834067, 330215229, 770502201, 990645687, 2311506603, 2971937061, 6934519809, 20803559427]

約数ペア:

[(1, 20803559427), (3, 6934519809), (7, 2971937061), (9, 2311506603), (21, 990645687), (27, 770502201), (63, 330215229), (81, 256834067), (189, 110071743), (567, 36690581)]