20294904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1129}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 58579200

約数和(自身を除く): 38284296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1129, 1284, 1498, 2247, 2258, 2568, 2996, 3387, 4494, 4516, 5992, 6774, 7903, 8988, 9032, 13548, 15806, 17976, 23709, 27096, 31612, 47418, 63224, 94836, 120803, 189672, 241606, 362409, 483212, 724818, 845621, 966424, 1449636, 1691242, 2536863, 2899272, 3382484, 5073726, 6764968, 10147452, 20294904]

約数ペア:

[(1, 20294904), (2, 10147452), (3, 6764968), (4, 5073726), (6, 3382484), (7, 2899272), (8, 2536863), (12, 1691242), (14, 1449636), (21, 966424), (24, 845621), (28, 724818), (42, 483212), (56, 362409), (84, 241606), (107, 189672), (168, 120803), (214, 94836), (321, 63224), (428, 47418), (642, 31612), (749, 27096), (856, 23709), (1129, 17976), (1284, 15806), (1498, 13548), (2247, 9032), (2258, 8988), (2568, 7903), (2996, 6774), (3387, 5992), (4494, 4516)]