20817459

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 12728781

約数列:

[1, 3, 9, 13, 27, 39, 117, 127, 351, 381, 467, 1143, 1401, 1651, 3429, 4203, 4953, 6071, 12609, 14859, 18213, 44577, 54639, 59309, 163917, 177927, 533781, 771017, 1601343, 2313051, 6939153, 20817459]

約数ペア:

[(1, 20817459), (3, 6939153), (9, 2313051), (13, 1601343), (27, 771017), (39, 533781), (117, 177927), (127, 163917), (351, 59309), (381, 54639), (467, 44577), (1143, 18213), (1401, 14859), (1651, 12609), (3429, 6071), (4203, 4953)]