20157388717

素因数分解:

${\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{18433}}^1$

素因数の和:18972

約数の個数: 16

約数和(自身を含む): 21023608320

約数和(自身を除く): 866219603

約数列:

[1, 47, 53, 439, 2491, 18433, 20633, 23267, 866351, 976949, 1093549, 8092087, 45916603, 380328089, 428880611, 20157388717]

約数ペア:

[(1, 20157388717), (47, 428880611), (53, 380328089), (439, 45916603), (2491, 8092087), (18433, 1093549), (20633, 976949), (23267, 866351)]