20789916

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5051}}^1$

素因数の和:5079

約数の個数: 48

約数和(自身を含む): 56582400

約数和(自身を除く): 35792484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5051, 10102, 15153, 20204, 30306, 35357, 60612, 70714, 106071, 141428, 212142, 247499, 424284, 494998, 742497, 989996, 1484994, 1732493, 2969988, 3464986, 5197479, 6929972, 10394958, 20789916]

約数ペア:

[(1, 20789916), (2, 10394958), (3, 6929972), (4, 5197479), (6, 3464986), (7, 2969988), (12, 1732493), (14, 1484994), (21, 989996), (28, 742497), (42, 494998), (49, 424284), (84, 247499), (98, 212142), (147, 141428), (196, 106071), (294, 70714), (343, 60612), (588, 35357), (686, 30306), (1029, 20204), (1372, 15153), (2058, 10102), (4116, 5051)]