20526741

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 31539456

約数和(自身を除く): 11012715

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 1871, 3657, 5613, 10971, 16839, 43033, 99163, 129099, 297489, 387297, 892467, 2280749, 6842247, 20526741]

約数ペア:

[(1, 20526741), (3, 6842247), (9, 2280749), (23, 892467), (53, 387297), (69, 297489), (159, 129099), (207, 99163), (477, 43033), (1219, 16839), (1871, 10971), (3657, 5613)]