20432858887

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1\times {\mathrm{607}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 24514560000

約数和(自身を除く): 4081701113

約数列:

[1, 7, 23, 161, 419, 499, 607, 2933, 3493, 4249, 9637, 11477, 13961, 67459, 80339, 97727, 209081, 254333, 302893, 1463567, 1780331, 2120251, 4808863, 5849659, 6966539, 33662041, 40947613, 48765773, 126912167, 888385169, 2918979841, 20432858887]

約数ペア:

[(1, 20432858887), (7, 2918979841), (23, 888385169), (161, 126912167), (419, 48765773), (499, 40947613), (607, 33662041), (2933, 6966539), (3493, 5849659), (4249, 4808863), (9637, 2120251), (11477, 1780331), (13961, 1463567), (67459, 302893), (80339, 254333), (97727, 209081)]