20925100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 52496640

約数和(自身を除く): 31571540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 167, 175, 179, 334, 350, 358, 668, 700, 716, 835, 895, 1169, 1253, 1670, 1790, 2338, 2506, 3340, 3580, 4175, 4475, 4676, 5012, 5845, 6265, 8350, 8950, 11690, 12530, 16700, 17900, 23380, 25060, 29225, 29893, 31325, 58450, 59786, 62650, 116900, 119572, 125300, 149465, 209251, 298930, 418502, 597860, 747325, 837004, 1046255, 1494650, 2092510, 2989300, 4185020, 5231275, 10462550, 20925100]

約数ペア:

[(1, 20925100), (2, 10462550), (4, 5231275), (5, 4185020), (7, 2989300), (10, 2092510), (14, 1494650), (20, 1046255), (25, 837004), (28, 747325), (35, 597860), (50, 418502), (70, 298930), (100, 209251), (140, 149465), (167, 125300), (175, 119572), (179, 116900), (334, 62650), (350, 59786), (358, 58450), (668, 31325), (700, 29893), (716, 29225), (835, 25060), (895, 23380), (1169, 17900), (1253, 16700), (1670, 12530), (1790, 11690), (2338, 8950), (2506, 8350), (3340, 6265), (3580, 5845), (4175, 5012), (4475, 4676)]