20265513

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9241}}^1$

素因数の和:9304

約数の個数: 16

約数和(自身を含む): 29278656

約数和(自身を除く): 9013143

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9241, 27723, 157097, 397363, 471291, 1192089, 6755171, 20265513]

約数ペア:

[(1, 20265513), (3, 6755171), (17, 1192089), (43, 471291), (51, 397363), (129, 157097), (731, 27723), (2193, 9241)]