20118303

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 29952000

約数和(自身を除く): 9833697

約数列:

[1, 3, 9, 47, 141, 199, 239, 423, 597, 717, 1791, 2151, 9353, 11233, 28059, 33699, 47561, 84177, 101097, 142683, 428049, 2235367, 6706101, 20118303]

約数ペア:

[(1, 20118303), (3, 6706101), (9, 2235367), (47, 428049), (141, 142683), (199, 101097), (239, 84177), (423, 47561), (597, 33699), (717, 28059), (1791, 11233), (2151, 9353)]