20350225

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 29144960

約数和(自身を除く): 8794735

約数列:

[1, 5, 7, 25, 35, 103, 175, 515, 721, 1129, 2575, 3605, 5645, 7903, 18025, 28225, 39515, 116287, 197575, 581435, 814009, 2907175, 4070045, 20350225]

約数ペア:

[(1, 20350225), (5, 4070045), (7, 2907175), (25, 814009), (35, 581435), (103, 197575), (175, 116287), (515, 39515), (721, 28225), (1129, 18025), (2575, 7903), (3605, 5645)]