20354375

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{1123}}^1$

素因数の和:1172

約数の個数: 20

約数和(自身を含む): 26335320

約数和(自身を除く): 5980945

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 1123, 3625, 5615, 18125, 28075, 32567, 140375, 162835, 701875, 814175, 4070875, 20354375]

約数ペア:

[(1, 20354375), (5, 4070875), (25, 814175), (29, 701875), (125, 162835), (145, 140375), (625, 32567), (725, 28075), (1123, 18125), (3625, 5615)]