20004465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102587}}^1$

素因数の和:102608

約数の個数: 16

約数和(自身を含む): 34469568

約数和(自身を除く): 14465103

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 102587, 307761, 512935, 1333631, 1538805, 4000893, 6668155, 20004465]

約数ペア:

[(1, 20004465), (3, 6668155), (5, 4000893), (13, 1538805), (15, 1333631), (39, 512935), (65, 307761), (195, 102587)]