20368503

素因数分解:

$3^5\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 30830800

約数和(自身を除く): 10462297

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 769, 981, 2307, 2943, 6921, 8829, 20763, 26487, 62289, 83821, 186867, 251463, 754389, 2263167, 6789501, 20368503]

約数ペア:

[(1, 20368503), (3, 6789501), (9, 2263167), (27, 754389), (81, 251463), (109, 186867), (243, 83821), (327, 62289), (769, 26487), (981, 20763), (2307, 8829), (2943, 6921)]