20157894

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15773}}^1$

素因数の和:15852

約数の個数: 24

約数和(自身を含む): 44293392

約数和(自身を除く): 24135498

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15773, 31546, 47319, 94638, 141957, 283914, 1119883, 2239766, 3359649, 6719298, 10078947, 20157894]

約数ペア:

[(1, 20157894), (2, 10078947), (3, 6719298), (6, 3359649), (9, 2239766), (18, 1119883), (71, 283914), (142, 141957), (213, 94638), (426, 47319), (639, 31546), (1278, 15773)]