20569185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5023}}^1$

素因数の和:5054

約数の個数: 48

約数和(自身を含む): 43889664

約数和(自身を除く): 23320479

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 5023, 15069, 25115, 35161, 45207, 65299, 75345, 105483, 175805, 195897, 226035, 316449, 326495, 457093, 527415, 587691, 979485, 1371279, 1582245, 2285465, 2938455, 4113837, 6856395, 20569185]

約数ペア:

[(1, 20569185), (3, 6856395), (5, 4113837), (7, 2938455), (9, 2285465), (13, 1582245), (15, 1371279), (21, 979485), (35, 587691), (39, 527415), (45, 457093), (63, 326495), (65, 316449), (91, 226035), (105, 195897), (117, 175805), (195, 105483), (273, 75345), (315, 65299), (455, 45207), (585, 35161), (819, 25115), (1365, 15069), (4095, 5023)]