20188763968

素因数分解:

$2^6\times {\mathrm{4507}}^1\times {\mathrm{69991}}^1$

素因数の和:74510

約数の個数: 28

約数和(自身を含む): 40071539872

約数和(自身を除く): 19882775904

約数列:

[1, 2, 4, 8, 16, 32, 64, 4507, 9014, 18028, 36056, 69991, 72112, 139982, 144224, 279964, 288448, 559928, 1119856, 2239712, 4479424, 315449437, 630898874, 1261797748, 2523595496, 5047190992, 10094381984, 20188763968]

約数ペア:

[(1, 20188763968), (2, 10094381984), (4, 5047190992), (8, 2523595496), (16, 1261797748), (32, 630898874), (64, 315449437), (4507, 4479424), (9014, 2239712), (18028, 1119856), (36056, 559928), (69991, 288448), (72112, 279964), (139982, 144224)]