20863150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5419}}^1$

素因数の和:5449

約数の個数: 48

約数和(自身を含む): 48389760

約数和(自身を除く): 27526610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5419, 10838, 27095, 37933, 54190, 59609, 75866, 119218, 135475, 189665, 270950, 298045, 379330, 417263, 596090, 834526, 948325, 1490225, 1896650, 2086315, 2980450, 4172630, 10431575, 20863150]

約数ペア:

[(1, 20863150), (2, 10431575), (5, 4172630), (7, 2980450), (10, 2086315), (11, 1896650), (14, 1490225), (22, 948325), (25, 834526), (35, 596090), (50, 417263), (55, 379330), (70, 298045), (77, 270950), (110, 189665), (154, 135475), (175, 119218), (275, 75866), (350, 59609), (385, 54190), (550, 37933), (770, 27095), (1925, 10838), (3850, 5419)]