20457894231

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{133711727}}^1$

素因数の和:133711750

約数の個数: 12

約数和(自身を含む): 31288544352

約数和(自身を除く): 10830650121

約数列:

[1, 3, 9, 17, 51, 153, 133711727, 401135181, 1203405543, 2273099359, 6819298077, 20457894231]

約数ペア:

[(1, 20457894231), (3, 6819298077), (9, 2273099359), (17, 1203405543), (51, 401135181), (153, 133711727)]