20285187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3191}}^1$

素因数の和:3370

約数の個数: 16

約数和(自身を含む): 29315328

約数和(自身を除く): 9030141

約数列:

[1, 3, 13, 39, 163, 489, 2119, 3191, 6357, 9573, 41483, 124449, 520133, 1560399, 6761729, 20285187]

約数ペア:

[(1, 20285187), (3, 6761729), (13, 1560399), (39, 520133), (163, 124449), (489, 41483), (2119, 9573), (3191, 6357)]