20311965

素因数分解:

$3^4\times 5^1\times {\mathrm{50153}}^1$

素因数の和:50170

約数の個数: 20

約数和(自身を含む): 36411804

約数和(自身を除く): 16099839

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50153, 150459, 250765, 451377, 752295, 1354131, 2256885, 4062393, 6770655, 20311965]

約数ペア:

[(1, 20311965), (3, 6770655), (5, 4062393), (9, 2256885), (15, 1354131), (27, 752295), (45, 451377), (81, 250765), (135, 150459), (405, 50153)]