20427575

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1033}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 29233248

約数和(自身を除く): 8805673

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 1033, 2825, 3955, 5165, 7231, 19775, 25825, 36155, 116729, 180775, 583645, 817103, 2918225, 4085515, 20427575]

約数ペア:

[(1, 20427575), (5, 4085515), (7, 2918225), (25, 817103), (35, 583645), (113, 180775), (175, 116729), (565, 36155), (791, 25825), (1033, 19775), (2825, 7231), (3955, 5165)]