20060105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 28089600

約数和(自身を除く): 8029495

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 439, 481, 703, 1235, 2195, 2405, 3515, 5707, 8341, 9139, 16243, 28535, 41705, 45695, 81215, 108433, 211159, 308617, 542165, 1055795, 1543085, 4012021, 20060105]

約数ペア:

[(1, 20060105), (5, 4012021), (13, 1543085), (19, 1055795), (37, 542165), (65, 308617), (95, 211159), (185, 108433), (247, 81215), (439, 45695), (481, 41705), (703, 28535), (1235, 16243), (2195, 9139), (2405, 8341), (3515, 5707)]