20125188

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 54152280

約数和(自身を除く): 34027092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 37, 58, 74, 87, 111, 116, 148, 174, 222, 261, 333, 348, 444, 521, 522, 666, 1042, 1044, 1073, 1332, 1563, 2084, 2146, 3126, 3219, 4292, 4689, 6252, 6438, 9378, 9657, 12876, 15109, 18756, 19277, 19314, 30218, 38554, 38628, 45327, 57831, 60436, 77108, 90654, 115662, 135981, 173493, 181308, 231324, 271962, 346986, 543924, 559033, 693972, 1118066, 1677099, 2236132, 3354198, 5031297, 6708396, 10062594, 20125188]

約数ペア:

[(1, 20125188), (2, 10062594), (3, 6708396), (4, 5031297), (6, 3354198), (9, 2236132), (12, 1677099), (18, 1118066), (29, 693972), (36, 559033), (37, 543924), (58, 346986), (74, 271962), (87, 231324), (111, 181308), (116, 173493), (148, 135981), (174, 115662), (222, 90654), (261, 77108), (333, 60436), (348, 57831), (444, 45327), (521, 38628), (522, 38554), (666, 30218), (1042, 19314), (1044, 19277), (1073, 18756), (1332, 15109), (1563, 12876), (2084, 9657), (2146, 9378), (3126, 6438), (3219, 6252), (4292, 4689)]