20041785

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6101}}^1$

素因数の和:6185

約数の個数: 24

約数和(自身を含む): 35220744

約数和(自身を除く): 15178959

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 6101, 18303, 30505, 54909, 91515, 274545, 445373, 1336119, 2226865, 4008357, 6680595, 20041785]

約数ペア:

[(1, 20041785), (3, 6680595), (5, 4008357), (9, 2226865), (15, 1336119), (45, 445373), (73, 274545), (219, 91515), (365, 54909), (657, 30505), (1095, 18303), (3285, 6101)]