20773984

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8431}}^1$

素因数の和:8459

約数の個数: 48

約数和(自身を含む): 50996736

約数和(自身を除く): 30222752

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, 8431, 16862, 33724, 59017, 67448, 92741, 118034, 134896, 185482, 236068, 269792, 370964, 472136, 649187, 741928, 944272, 1298374, 1483856, 1888544, 2596748, 2967712, 5193496, 10386992, 20773984]

約数ペア:

[(1, 20773984), (2, 10386992), (4, 5193496), (7, 2967712), (8, 2596748), (11, 1888544), (14, 1483856), (16, 1298374), (22, 944272), (28, 741928), (32, 649187), (44, 472136), (56, 370964), (77, 269792), (88, 236068), (112, 185482), (154, 134896), (176, 118034), (224, 92741), (308, 67448), (352, 59017), (616, 33724), (1232, 16862), (2464, 8431)]