20105874

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 47606400

約数和(自身を除く): 27500526

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 37, 54, 58, 74, 87, 111, 174, 222, 261, 333, 347, 522, 666, 694, 783, 999, 1041, 1073, 1566, 1998, 2082, 2146, 3123, 3219, 6246, 6438, 9369, 9657, 10063, 12839, 18738, 19314, 20126, 25678, 28971, 30189, 38517, 57942, 60378, 77034, 90567, 115551, 181134, 231102, 271701, 346653, 372331, 543402, 693306, 744662, 1116993, 2233986, 3350979, 6701958, 10052937, 20105874]

約数ペア:

[(1, 20105874), (2, 10052937), (3, 6701958), (6, 3350979), (9, 2233986), (18, 1116993), (27, 744662), (29, 693306), (37, 543402), (54, 372331), (58, 346653), (74, 271701), (87, 231102), (111, 181134), (174, 115551), (222, 90567), (261, 77034), (333, 60378), (347, 57942), (522, 38517), (666, 30189), (694, 28971), (783, 25678), (999, 20126), (1041, 19314), (1073, 18738), (1566, 12839), (1998, 10063), (2082, 9657), (2146, 9369), (3123, 6438), (3219, 6246)]