20506902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262909}}^1$

素因数の和:262927

約数の個数: 16

約数和(自身を含む): 44168880

約数和(自身を除く): 23661978

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 262909, 525818, 788727, 1577454, 3417817, 6835634, 10253451, 20506902]

約数ペア:

[(1, 20506902), (2, 10253451), (3, 6835634), (6, 3417817), (13, 1577454), (26, 788727), (39, 525818), (78, 262909)]