20546981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9817}}^1$

素因数の和:9860

約数の個数: 16

約数和(自身を含む): 26390784

約数和(自身を除く): 5843803

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9817, 68719, 127621, 225791, 893347, 1580537, 2935283, 20546981]

約数ペア:

[(1, 20546981), (7, 2935283), (13, 1580537), (23, 893347), (91, 225791), (161, 127621), (299, 68719), (2093, 9817)]