20669549725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{297083}}^1$

素因数の和:297138

約数の個数: 36

約数和(自身を含む): 29397055968

約数和(自身を除く): 8727506243

約数列:

[1, 5, 11, 23, 25, 55, 115, 121, 253, 275, 575, 605, 1265, 2783, 3025, 6325, 13915, 69575, 297083, 1485415, 3267913, 6832909, 7427075, 16339565, 34164545, 35947043, 75161999, 81697825, 170822725, 179735215, 375809995, 826781989, 898676075, 1879049975, 4133909945, 20669549725]

約数ペア:

[(1, 20669549725), (5, 4133909945), (11, 1879049975), (23, 898676075), (25, 826781989), (55, 375809995), (115, 179735215), (121, 170822725), (253, 81697825), (275, 75161999), (575, 35947043), (605, 34164545), (1265, 16339565), (2783, 7427075), (3025, 6832909), (6325, 3267913), (13915, 1485415), (69575, 297083)]