20535200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 60621120

約数和(自身を除く): 40085920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 140, 152, 160, 175, 190, 193, 200, 224, 266, 280, 304, 350, 380, 386, 400, 475, 532, 560, 608, 665, 700, 760, 772, 800, 950, 965, 1064, 1120, 1330, 1351, 1400, 1520, 1544, 1900, 1930, 2128, 2660, 2702, 2800, 3040, 3088, 3325, 3667, 3800, 3860, 4256, 4825, 5320, 5404, 5600, 6176, 6650, 6755, 7334, 7600, 7720, 9650, 10640, 10808, 13300, 13510, 14668, 15200, 15440, 18335, 19300, 21280, 21616, 25669, 26600, 27020, 29336, 30880, 33775, 36670, 38600, 43232, 51338, 53200, 54040, 58672, 67550, 73340, 77200, 91675, 102676, 106400, 108080, 117344, 128345, 135100, 146680, 154400, 183350, 205352, 216160, 256690, 270200, 293360, 366700, 410704, 513380, 540400, 586720, 641725, 733400, 821408, 1026760, 1080800, 1283450, 1466800, 2053520, 2566900, 2933600, 4107040, 5133800, 10267600, 20535200]

約数ペア:

[(1, 20535200), (2, 10267600), (4, 5133800), (5, 4107040), (7, 2933600), (8, 2566900), (10, 2053520), (14, 1466800), (16, 1283450), (19, 1080800), (20, 1026760), (25, 821408), (28, 733400), (32, 641725), (35, 586720), (38, 540400), (40, 513380), (50, 410704), (56, 366700), (70, 293360), (76, 270200), (80, 256690), (95, 216160), (100, 205352), (112, 183350), (133, 154400), (140, 146680), (152, 135100), (160, 128345), (175, 117344), (190, 108080), (193, 106400), (200, 102676), (224, 91675), (266, 77200), (280, 73340), (304, 67550), (350, 58672), (380, 54040), (386, 53200), (400, 51338), (475, 43232), (532, 38600), (560, 36670), (608, 33775), (665, 30880), (700, 29336), (760, 27020), (772, 26600), (800, 25669), (950, 21616), (965, 21280), (1064, 19300), (1120, 18335), (1330, 15440), (1351, 15200), (1400, 14668), (1520, 13510), (1544, 13300), (1900, 10808), (1930, 10640), (2128, 9650), (2660, 7720), (2702, 7600), (2800, 7334), (3040, 6755), (3088, 6650), (3325, 6176), (3667, 5600), (3800, 5404), (3860, 5320), (4256, 4825)]