20087901

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 30865536

約数和(自身を除く): 10777635

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 1831, 3657, 5493, 10971, 16479, 42113, 97043, 126339, 291129, 379017, 873387, 2231989, 6695967, 20087901]

約数ペア:

[(1, 20087901), (3, 6695967), (9, 2231989), (23, 873387), (53, 379017), (69, 291129), (159, 126339), (207, 97043), (477, 42113), (1219, 16479), (1831, 10971), (3657, 5493)]