20628111

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16649}}^1$

素因数の和:16718

約数の個数: 16

約数和(自身を含む): 31968000

約数和(自身を除く): 11339889

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16649, 49947, 116543, 349629, 982291, 2946873, 6876037, 20628111]

約数ペア:

[(1, 20628111), (3, 6876037), (7, 2946873), (21, 982291), (59, 349629), (177, 116543), (413, 49947), (1239, 16649)]