20631591

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14983}}^1$

素因数の和:15012

約数の個数: 20

約数和(自身を含む): 32635152

約数和(自身を除く): 12003561

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14983, 44949, 134847, 254711, 404541, 764133, 1213623, 2292399, 6877197, 20631591]

約数ペア:

[(1, 20631591), (3, 6877197), (9, 2292399), (17, 1213623), (27, 764133), (51, 404541), (81, 254711), (153, 134847), (459, 44949), (1377, 14983)]