20565821393

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{197971}}^1$

素因数の和:198176

約数の個数: 16

約数和(自身を含む): 22682839872

約数和(自身を除く): 2117018479

約数列:

[1, 13, 61, 131, 793, 1703, 7991, 103883, 197971, 2573623, 12076231, 25934201, 156991003, 337144613, 1581986261, 20565821393]

約数ペア:

[(1, 20565821393), (13, 1581986261), (61, 337144613), (131, 156991003), (793, 25934201), (1703, 12076231), (7991, 2573623), (103883, 197971)]