20060906

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1259}}^1$

素因数の和:1549

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 11146774

約数列:

[1, 2, 31, 62, 257, 514, 1259, 2518, 7967, 15934, 39029, 78058, 323563, 647126, 10030453, 20060906]

約数ペア:

[(1, 20060906), (2, 10030453), (31, 647126), (62, 323563), (257, 78058), (514, 39029), (1259, 15934), (2518, 7967)]