20078383

素因数分解:

${\mathrm{13}}^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 20

約数和(自身を含む): 23515160

約数和(自身を除く): 3436777

約数列:

[1, 13, 19, 37, 169, 247, 481, 703, 2197, 3211, 6253, 9139, 28561, 41743, 81289, 118807, 542659, 1056757, 1544491, 20078383]

約数ペア:

[(1, 20078383), (13, 1544491), (19, 1056757), (37, 542659), (169, 118807), (247, 81289), (481, 41743), (703, 28561), (2197, 9139), (3211, 6253)]