20664861

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24001}}^1$

素因数の和:24052

約数の個数: 16

約数和(自身を含む): 32258688

約数和(自身を除く): 11593827

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24001, 72003, 168007, 504021, 984041, 2952123, 6888287, 20664861]

約数ペア:

[(1, 20664861), (3, 6888287), (7, 2952123), (21, 984041), (41, 504021), (123, 168007), (287, 72003), (861, 24001)]