20799800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35446600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 83, 100, 140, 166, 175, 179, 200, 280, 332, 350, 358, 415, 581, 664, 700, 716, 830, 895, 1162, 1253, 1400, 1432, 1660, 1790, 2075, 2324, 2506, 2905, 3320, 3580, 4150, 4475, 4648, 5012, 5810, 6265, 7160, 8300, 8950, 10024, 11620, 12530, 14525, 14857, 16600, 17900, 23240, 25060, 29050, 29714, 31325, 35800, 50120, 58100, 59428, 62650, 74285, 103999, 116200, 118856, 125300, 148570, 207998, 250600, 297140, 371425, 415996, 519995, 594280, 742850, 831992, 1039990, 1485700, 2079980, 2599975, 2971400, 4159960, 5199950, 10399900, 20799800]

約数ペア:

[(1, 20799800), (2, 10399900), (4, 5199950), (5, 4159960), (7, 2971400), (8, 2599975), (10, 2079980), (14, 1485700), (20, 1039990), (25, 831992), (28, 742850), (35, 594280), (40, 519995), (50, 415996), (56, 371425), (70, 297140), (83, 250600), (100, 207998), (140, 148570), (166, 125300), (175, 118856), (179, 116200), (200, 103999), (280, 74285), (332, 62650), (350, 59428), (358, 58100), (415, 50120), (581, 35800), (664, 31325), (700, 29714), (716, 29050), (830, 25060), (895, 23240), (1162, 17900), (1253, 16600), (1400, 14857), (1432, 14525), (1660, 12530), (1790, 11620), (2075, 10024), (2324, 8950), (2506, 8300), (2905, 7160), (3320, 6265), (3580, 5810), (4150, 5012), (4475, 4648)]