20549564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^3\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 43787520

約数和(自身を除く): 23237956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 107, 133, 214, 266, 361, 428, 532, 722, 749, 1444, 1498, 2033, 2527, 2996, 4066, 5054, 6859, 8132, 10108, 13718, 14231, 27436, 28462, 38627, 48013, 56924, 77254, 96026, 154508, 192052, 270389, 540778, 733913, 1081556, 1467826, 2935652, 5137391, 10274782, 20549564]

約数ペア:

[(1, 20549564), (2, 10274782), (4, 5137391), (7, 2935652), (14, 1467826), (19, 1081556), (28, 733913), (38, 540778), (76, 270389), (107, 192052), (133, 154508), (214, 96026), (266, 77254), (361, 56924), (428, 48013), (532, 38627), (722, 28462), (749, 27436), (1444, 14231), (1498, 13718), (2033, 10108), (2527, 8132), (2996, 6859), (4066, 5054)]