20521285369

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1\times {\mathrm{81533}}^1$

素因数の和:82584

約数の個数: 16

約数和(自身を含む): 23286110400

約数和(自身を除く): 2764825031

約数列:

[1, 13, 19, 247, 1019, 13247, 19361, 81533, 251693, 1059929, 1549127, 20138651, 83082127, 1080067651, 1578560413, 20521285369]

約数ペア:

[(1, 20521285369), (13, 1578560413), (19, 1080067651), (247, 83082127), (1019, 20138651), (13247, 1549127), (19361, 1059929), (81533, 251693)]