20167257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10475943

約数列:

[1, 3, 11, 33, 37, 83, 111, 199, 249, 407, 597, 913, 1221, 2189, 2739, 3071, 6567, 7363, 9213, 16517, 22089, 33781, 49551, 80993, 101343, 181687, 242979, 545061, 611129, 1833387, 6722419, 20167257]

約数ペア:

[(1, 20167257), (3, 6722419), (11, 1833387), (33, 611129), (37, 545061), (83, 242979), (111, 181687), (199, 101343), (249, 80993), (407, 49551), (597, 33781), (913, 22089), (1221, 16517), (2189, 9213), (2739, 7363), (3071, 6567)]