20403291279

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{811}}^1\times {\mathrm{1709}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 31191713280

約数和(自身を除く): 10788422001

約数列:

[1, 3, 7, 21, 701, 811, 1709, 2103, 2433, 4907, 5127, 5677, 11963, 14721, 17031, 35889, 568511, 1198009, 1385999, 1705533, 3594027, 3979577, 4157997, 8386063, 9701993, 11938731, 25158189, 29105979, 971585299, 2914755897, 6801097093, 20403291279]

約数ペア:

[(1, 20403291279), (3, 6801097093), (7, 2914755897), (21, 971585299), (701, 29105979), (811, 25158189), (1709, 11938731), (2103, 9701993), (2433, 8386063), (4907, 4157997), (5127, 3979577), (5677, 3594027), (11963, 1705533), (14721, 1385999), (17031, 1198009), (35889, 568511)]