20513079

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2417}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 31685472

約数和(自身を除く): 11172393

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2417, 2829, 7251, 8487, 21753, 55591, 99097, 166773, 297291, 500319, 891873, 2279231, 6837693, 20513079]

約数ペア:

[(1, 20513079), (3, 6837693), (9, 2279231), (23, 891873), (41, 500319), (69, 297291), (123, 166773), (207, 99097), (369, 55591), (943, 21753), (2417, 8487), (2829, 7251)]