20419808

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13577}}^1$

素因数の和:13634

約数の個数: 24

約数和(自身を含む): 41059872

約数和(自身を除く): 20640064

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13577, 27154, 54308, 108616, 217232, 434464, 638119, 1276238, 2552476, 5104952, 10209904, 20419808]

約数ペア:

[(1, 20419808), (2, 10209904), (4, 5104952), (8, 2552476), (16, 1276238), (32, 638119), (47, 434464), (94, 217232), (188, 108616), (376, 54308), (752, 27154), (1504, 13577)]