20514267088

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1137659}}^1$

素因数の和:1137704

約数の個数: 60

約数和(自身を含む): 48245885280

約数和(自身を除く): 27731618192

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1127, 1288, 2254, 2576, 4508, 9016, 18032, 1137659, 2275318, 4550636, 7963613, 9101272, 15927226, 18202544, 26166157, 31854452, 52332314, 55745291, 63708904, 104664628, 111490582, 127417808, 183163099, 209329256, 222981164, 366326198, 418658512, 445962328, 732652396, 891924656, 1282141693, 1465304792, 2564283386, 2930609584, 5128566772, 10257133544, 20514267088]

約数ペア:

[(1, 20514267088), (2, 10257133544), (4, 5128566772), (7, 2930609584), (8, 2564283386), (14, 1465304792), (16, 1282141693), (23, 891924656), (28, 732652396), (46, 445962328), (49, 418658512), (56, 366326198), (92, 222981164), (98, 209329256), (112, 183163099), (161, 127417808), (184, 111490582), (196, 104664628), (322, 63708904), (368, 55745291), (392, 52332314), (644, 31854452), (784, 26166157), (1127, 18202544), (1288, 15927226), (2254, 9101272), (2576, 7963613), (4508, 4550636), (9016, 2275318), (18032, 1137659)]