20549200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 58121280

約数和(自身を除く): 37572080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 140, 164, 175, 179, 200, 205, 280, 287, 328, 350, 358, 400, 410, 560, 574, 656, 700, 716, 820, 895, 1025, 1148, 1253, 1400, 1432, 1435, 1640, 1790, 2050, 2296, 2506, 2800, 2864, 2870, 3280, 3580, 4100, 4475, 4592, 5012, 5740, 6265, 7160, 7175, 7339, 8200, 8950, 10024, 11480, 12530, 14320, 14350, 14678, 16400, 17900, 20048, 22960, 25060, 28700, 29356, 31325, 35800, 36695, 50120, 51373, 57400, 58712, 62650, 71600, 73390, 100240, 102746, 114800, 117424, 125300, 146780, 183475, 205492, 250600, 256865, 293560, 366950, 410984, 501200, 513730, 587120, 733900, 821968, 1027460, 1284325, 1467800, 2054920, 2568650, 2935600, 4109840, 5137300, 10274600, 20549200]

約数ペア:

[(1, 20549200), (2, 10274600), (4, 5137300), (5, 4109840), (7, 2935600), (8, 2568650), (10, 2054920), (14, 1467800), (16, 1284325), (20, 1027460), (25, 821968), (28, 733900), (35, 587120), (40, 513730), (41, 501200), (50, 410984), (56, 366950), (70, 293560), (80, 256865), (82, 250600), (100, 205492), (112, 183475), (140, 146780), (164, 125300), (175, 117424), (179, 114800), (200, 102746), (205, 100240), (280, 73390), (287, 71600), (328, 62650), (350, 58712), (358, 57400), (400, 51373), (410, 50120), (560, 36695), (574, 35800), (656, 31325), (700, 29356), (716, 28700), (820, 25060), (895, 22960), (1025, 20048), (1148, 17900), (1253, 16400), (1400, 14678), (1432, 14350), (1435, 14320), (1640, 12530), (1790, 11480), (2050, 10024), (2296, 8950), (2506, 8200), (2800, 7339), (2864, 7175), (2870, 7160), (3280, 6265), (3580, 5740), (4100, 5012), (4475, 4592)]