20858741575

素因数分解:

$5^2\times 7^1\times {\mathrm{2833}}^1\times {\mathrm{42073}}^1$

素因数の和:44923

約数の個数: 24

約数和(自身を含む): 29570953568

約数和(自身を除く): 8712211993

約数列:

[1, 5, 7, 25, 35, 175, 2833, 14165, 19831, 42073, 70825, 99155, 210365, 294511, 495775, 1051825, 1472555, 7362775, 119192809, 595964045, 834349663, 2979820225, 4171748315, 20858741575]

約数ペア:

[(1, 20858741575), (5, 4171748315), (7, 2979820225), (25, 834349663), (35, 595964045), (175, 119192809), (2833, 7362775), (14165, 1472555), (19831, 1051825), (42073, 495775), (70825, 294511), (99155, 210365)]