20113845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 33875712

約数和(自身を除く): 13761867

約数列:

[1, 3, 5, 15, 23, 69, 115, 173, 337, 345, 519, 865, 1011, 1685, 2595, 3979, 5055, 7751, 11937, 19895, 23253, 38755, 58301, 59685, 116265, 174903, 291505, 874515, 1340923, 4022769, 6704615, 20113845]

約数ペア:

[(1, 20113845), (3, 6704615), (5, 4022769), (15, 1340923), (23, 874515), (69, 291505), (115, 174903), (173, 116265), (337, 59685), (345, 58301), (519, 38755), (865, 23253), (1011, 19895), (1685, 11937), (2595, 7751), (3979, 5055)]