20883040

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2777}}^1$

素因数の和:2839

約数の個数: 48

約数和(自身を含む): 50404032

約数和(自身を除く): 29520992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2777, 3760, 5554, 7520, 11108, 13885, 22216, 27770, 44432, 55540, 88864, 111080, 130519, 222160, 261038, 444320, 522076, 652595, 1044152, 1305190, 2088304, 2610380, 4176608, 5220760, 10441520, 20883040]

約数ペア:

[(1, 20883040), (2, 10441520), (4, 5220760), (5, 4176608), (8, 2610380), (10, 2088304), (16, 1305190), (20, 1044152), (32, 652595), (40, 522076), (47, 444320), (80, 261038), (94, 222160), (160, 130519), (188, 111080), (235, 88864), (376, 55540), (470, 44432), (752, 27770), (940, 22216), (1504, 13885), (1880, 11108), (2777, 7520), (3760, 5554)]