20566836

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{883}}^1$

素因数の和:1540

約数の個数: 36

約数和(自身を含む): 52127712

約数和(自身を除く): 31560876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 883, 1294, 1766, 1941, 2588, 2649, 3532, 3882, 5298, 5823, 7764, 7947, 10596, 11646, 15894, 23292, 31788, 571301, 1142602, 1713903, 2285204, 3427806, 5141709, 6855612, 10283418, 20566836]

約数ペア:

[(1, 20566836), (2, 10283418), (3, 6855612), (4, 5141709), (6, 3427806), (9, 2285204), (12, 1713903), (18, 1142602), (36, 571301), (647, 31788), (883, 23292), (1294, 15894), (1766, 11646), (1941, 10596), (2588, 7947), (2649, 7764), (3532, 5823), (3882, 5298)]