20088243

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 40

約数和(自身を含む): 34848000

約数和(自身を除く): 14759757

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 499, 567, 639, 1491, 1497, 1917, 3493, 4473, 4491, 5751, 10479, 13419, 13473, 31437, 35429, 40257, 40419, 94311, 106287, 248003, 282933, 318861, 744009, 956583, 2232027, 2869749, 6696081, 20088243]

約数ペア:

[(1, 20088243), (3, 6696081), (7, 2869749), (9, 2232027), (21, 956583), (27, 744009), (63, 318861), (71, 282933), (81, 248003), (189, 106287), (213, 94311), (497, 40419), (499, 40257), (567, 35429), (639, 31437), (1491, 13473), (1497, 13419), (1917, 10479), (3493, 5751), (4473, 4491)]