20607519

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{3923}}^1$

素因数の和:4046

約数の個数: 16

約数和(自身を含む): 29382912

約数和(自身を除く): 8775393

約数列:

[1, 3, 17, 51, 103, 309, 1751, 3923, 5253, 11769, 66691, 200073, 404069, 1212207, 6869173, 20607519]

約数ペア:

[(1, 20607519), (3, 6869173), (17, 1212207), (51, 404069), (103, 200073), (309, 66691), (1751, 11769), (3923, 5253)]