20273456

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1402

約数の個数: 60

約数和(自身を含む): 48133080

約数和(自身を除く): 27859624

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1361, 1862, 2128, 2722, 3724, 5444, 7448, 9527, 10888, 14896, 19054, 21776, 25859, 38108, 51718, 66689, 76216, 103436, 133378, 152432, 181013, 206872, 266756, 362026, 413744, 533512, 724052, 1067024, 1267091, 1448104, 2534182, 2896208, 5068364, 10136728, 20273456]

約数ペア:

[(1, 20273456), (2, 10136728), (4, 5068364), (7, 2896208), (8, 2534182), (14, 1448104), (16, 1267091), (19, 1067024), (28, 724052), (38, 533512), (49, 413744), (56, 362026), (76, 266756), (98, 206872), (112, 181013), (133, 152432), (152, 133378), (196, 103436), (266, 76216), (304, 66689), (392, 51718), (532, 38108), (784, 25859), (931, 21776), (1064, 19054), (1361, 14896), (1862, 10888), (2128, 9527), (2722, 7448), (3724, 5444)]