20506187

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1454

約数の個数: 16

約数和(自身を含む): 23644320

約数和(自身を除く): 3138133

約数列:

[1, 13, 19, 61, 247, 793, 1159, 1361, 15067, 17693, 25859, 83021, 336167, 1079273, 1577399, 20506187]

約数ペア:

[(1, 20506187), (13, 1577399), (19, 1079273), (61, 336167), (247, 83021), (793, 25859), (1159, 17693), (1361, 15067)]