20976032

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8513}}^1$

素因数の和:8541

約数の個数: 48

約数和(自身を含む): 51492672

約数和(自身を除く): 30516640

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8513, 17026, 34052, 59591, 68104, 93643, 119182, 136208, 187286, 238364, 272416, 374572, 476728, 655501, 749144, 953456, 1311002, 1498288, 1906912, 2622004, 2996576, 5244008, 10488016, 20976032]

約数ペア:

[(1, 20976032), (2, 10488016), (4, 5244008), (7, 2996576), (8, 2622004), (11, 1906912), (14, 1498288), (16, 1311002), (22, 953456), (28, 749144), (32, 655501), (44, 476728), (56, 374572), (77, 272416), (88, 238364), (112, 187286), (154, 136208), (176, 119182), (224, 93643), (308, 68104), (352, 59591), (616, 34052), (1232, 17026), (2464, 8513)]