20388215939

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{1181}}^1\times {\mathrm{14593}}^1$

素因数の和:15807

約数の個数: 24

約数和(自身を含む): 25254158112

約数和(自身を除く): 4865942173

約数列:

[1, 7, 13, 91, 169, 1181, 1183, 8267, 14593, 15353, 102151, 107471, 189709, 199589, 1327963, 1397123, 2466217, 17234333, 17263519, 120640331, 224046329, 1568324303, 2912602277, 20388215939]

約数ペア:

[(1, 20388215939), (7, 2912602277), (13, 1568324303), (91, 224046329), (169, 120640331), (1181, 17263519), (1183, 17234333), (8267, 2466217), (14593, 1397123), (15353, 1327963), (102151, 199589), (107471, 189709)]