20996858129

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{78569}}^1$

素因数の和:78980

約数の個数: 16

約数和(自身を含む): 23051180880

約数和(自身を除く): 2054322751

約数列:

[1, 13, 61, 337, 793, 4381, 20557, 78569, 267241, 1021397, 4792709, 26477753, 62305217, 344210789, 1615142933, 20996858129]

約数ペア:

[(1, 20996858129), (13, 1615142933), (61, 344210789), (337, 62305217), (793, 26477753), (4381, 4792709), (20557, 1021397), (78569, 267241)]