20790297

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{70001}}^1$

素因数の和:70021

約数の個数: 16

約数和(自身を含む): 33600960

約数和(自身を除く): 12810663

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 70001, 210003, 630009, 770011, 1890027, 2310033, 6930099, 20790297]

約数ペア:

[(1, 20790297), (3, 6930099), (9, 2310033), (11, 1890027), (27, 770011), (33, 630009), (99, 210003), (297, 70001)]