20719419

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{6053}}^1$

素因数の和:6226

約数の個数: 16

約数和(自身を含む): 31771392

約数和(自身を除く): 11051973

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 6053, 18159, 42371, 127113, 986639, 2959917, 6906473, 20719419]

約数ペア:

[(1, 20719419), (3, 6906473), (7, 2959917), (21, 986639), (163, 127113), (489, 42371), (1141, 18159), (3423, 6053)]