20123892113

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1565209}}^1$

素因数の和:1565288

約数の個数: 16

約数和(自身を含む): 23140064640

約数和(自身を除く): 3016172527

約数列:

[1, 13, 23, 43, 299, 559, 989, 12857, 1565209, 20347717, 35999807, 67303987, 467997491, 874951831, 1547991701, 20123892113]

約数ペア:

[(1, 20123892113), (13, 1547991701), (23, 874951831), (43, 467997491), (299, 67303987), (559, 35999807), (989, 20347717), (12857, 1565209)]