20392215

素因数分解:

$3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5641}}^1$

素因数の和:5890

約数の個数: 16

約数和(自身を含む): 32768736

約数和(自身を除く): 12376521

約数列:

[1, 3, 5, 15, 241, 723, 1205, 3615, 5641, 16923, 28205, 84615, 1359481, 4078443, 6797405, 20392215]

約数ペア:

[(1, 20392215), (3, 6797405), (5, 4078443), (15, 1359481), (241, 84615), (723, 28205), (1205, 16923), (3615, 5641)]