20802678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266701}}^1$

素因数の和:266719

約数の個数: 16

約数和(自身を含む): 44805936

約数和(自身を除く): 24003258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266701, 533402, 800103, 1600206, 3467113, 6934226, 10401339, 20802678]

約数ペア:

[(1, 20802678), (2, 10401339), (3, 6934226), (6, 3467113), (13, 1600206), (26, 800103), (39, 533402), (78, 266701)]