20798023904

素因数分解:

$2^5\times 7^1\times {\mathrm{757}}^1\times {\mathrm{122653}}^1$

素因数の和:123427

約数の個数: 48

約数和(自身を含む): 46857752928

約数和(自身を除く): 26059729024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 757, 1514, 3028, 5299, 6056, 10598, 12112, 21196, 24224, 42392, 84784, 122653, 169568, 245306, 490612, 858571, 981224, 1717142, 1962448, 3434284, 3924896, 6868568, 13737136, 27474272, 92848321, 185696642, 371393284, 649938247, 742786568, 1299876494, 1485573136, 2599752988, 2971146272, 5199505976, 10399011952, 20798023904]

約数ペア:

[(1, 20798023904), (2, 10399011952), (4, 5199505976), (7, 2971146272), (8, 2599752988), (14, 1485573136), (16, 1299876494), (28, 742786568), (32, 649938247), (56, 371393284), (112, 185696642), (224, 92848321), (757, 27474272), (1514, 13737136), (3028, 6868568), (5299, 3924896), (6056, 3434284), (10598, 1962448), (12112, 1717142), (21196, 981224), (24224, 858571), (42392, 490612), (84784, 245306), (122653, 169568)]