20714799

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12347601

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 343, 491, 861, 1029, 1473, 2009, 3437, 6027, 10311, 14063, 20131, 24059, 42189, 60393, 72177, 140917, 168413, 422751, 505239, 986419, 2959257, 6904933, 20714799]

約数ペア:

[(1, 20714799), (3, 6904933), (7, 2959257), (21, 986419), (41, 505239), (49, 422751), (123, 168413), (147, 140917), (287, 72177), (343, 60393), (491, 42189), (861, 24059), (1029, 20131), (1473, 14063), (2009, 10311), (3437, 6027)]