20599400

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 48330240

約数和(自身を除く): 27730840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 811, 1016, 1270, 1622, 2540, 3175, 3244, 4055, 5080, 6350, 6488, 8110, 12700, 16220, 20275, 25400, 32440, 40550, 81100, 102997, 162200, 205994, 411988, 514985, 823976, 1029970, 2059940, 2574925, 4119880, 5149850, 10299700, 20599400]

約数ペア:

[(1, 20599400), (2, 10299700), (4, 5149850), (5, 4119880), (8, 2574925), (10, 2059940), (20, 1029970), (25, 823976), (40, 514985), (50, 411988), (100, 205994), (127, 162200), (200, 102997), (254, 81100), (508, 40550), (635, 32440), (811, 25400), (1016, 20275), (1270, 16220), (1622, 12700), (2540, 8110), (3175, 6488), (3244, 6350), (4055, 5080)]