20509224

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5443}}^1$

素因数の和:5609

約数の個数: 32

約数和(自身を含む): 51609120

約数和(自身を除く): 31099896

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5443, 10886, 16329, 21772, 32658, 43544, 65316, 130632, 854551, 1709102, 2563653, 3418204, 5127306, 6836408, 10254612, 20509224]

約数ペア:

[(1, 20509224), (2, 10254612), (3, 6836408), (4, 5127306), (6, 3418204), (8, 2563653), (12, 1709102), (24, 854551), (157, 130632), (314, 65316), (471, 43544), (628, 32658), (942, 21772), (1256, 16329), (1884, 10886), (3768, 5443)]