20676616

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 19320824

約数列:

[1, 2, 4, 8, 47, 94, 127, 188, 254, 376, 433, 508, 866, 1016, 1732, 3464, 5969, 11938, 20351, 23876, 40702, 47752, 54991, 81404, 109982, 162808, 219964, 439928, 2584577, 5169154, 10338308, 20676616]

約数ペア:

[(1, 20676616), (2, 10338308), (4, 5169154), (8, 2584577), (47, 439928), (94, 219964), (127, 162808), (188, 109982), (254, 81404), (376, 54991), (433, 47752), (508, 40702), (866, 23876), (1016, 20351), (1732, 11938), (3464, 5969)]