20472111

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{1709}}^1$

素因数の和:1748

約数の個数: 24

約数和(自身を含む): 32544720

約数和(自身を除く): 12072609

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 1331, 1709, 3993, 5127, 11979, 15381, 18799, 56397, 169191, 206789, 620367, 1861101, 2274679, 6824037, 20472111]

約数ペア:

[(1, 20472111), (3, 6824037), (9, 2274679), (11, 1861101), (33, 620367), (99, 206789), (121, 169191), (363, 56397), (1089, 18799), (1331, 15381), (1709, 11979), (3993, 5127)]