20585649

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23909}}^1$

素因数の和:23960

約数の個数: 16

約数和(自身を含む): 32135040

約数和(自身を除く): 11549391

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 23909, 71727, 167363, 502089, 980269, 2940807, 6861883, 20585649]

約数ペア:

[(1, 20585649), (3, 6861883), (7, 2940807), (21, 980269), (41, 502089), (123, 167363), (287, 71727), (861, 23909)]