20161665

素因数分解:

$3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2503}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 35156160

約数和(自身を除く): 14994495

約数列:

[1, 3, 5, 9, 15, 45, 179, 537, 895, 1611, 2503, 2685, 7509, 8055, 12515, 22527, 37545, 112635, 448037, 1344111, 2240185, 4032333, 6720555, 20161665]

約数ペア:

[(1, 20161665), (3, 6720555), (5, 4032333), (9, 2240185), (15, 1344111), (45, 448037), (179, 112635), (537, 37545), (895, 22527), (1611, 12515), (2503, 8055), (2685, 7509)]