20266587

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4993}}^1$

素因数の和:5051

約数の個数: 24

約数和(自身を含む): 32720688

約数和(自身を除く): 12454101

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 4993, 14979, 44937, 54923, 164769, 204713, 494307, 614139, 1842417, 2251843, 6755529, 20266587]

約数ペア:

[(1, 20266587), (3, 6755529), (9, 2251843), (11, 1842417), (33, 614139), (41, 494307), (99, 204713), (123, 164769), (369, 54923), (451, 44937), (1353, 14979), (4059, 4993)]