20500138085

素因数分解:

$5^1\times 7^2\times {\mathrm{1033}}^1\times {\mathrm{81001}}^1$

素因数の和:82053

約数の個数: 24

約数和(自身を含む): 28644575256

約数和(自身を除く): 8144437171

約数列:

[1, 5, 7, 35, 49, 245, 1033, 5165, 7231, 36155, 50617, 81001, 253085, 405005, 567007, 2835035, 3969049, 19845245, 83674033, 418370165, 585718231, 2928591155, 4100027617, 20500138085]

約数ペア:

[(1, 20500138085), (5, 4100027617), (7, 2928591155), (35, 585718231), (49, 418370165), (245, 83674033), (1033, 19845245), (5165, 3969049), (7231, 2835035), (36155, 567007), (50617, 405005), (81001, 253085)]