20288595

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3373}}^1$

素因数の和:3782

約数の個数: 16

約数和(自身を含む): 32552352

約数和(自身を除く): 12263757

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 3373, 6015, 10119, 16865, 50595, 1352573, 4057719, 6762865, 20288595]

約数ペア:

[(1, 20288595), (3, 6762865), (5, 4057719), (15, 1352573), (401, 50595), (1203, 16865), (2005, 10119), (3373, 6015)]