20936640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 112

約数和(自身を含む): 67409568

約数和(自身を除く): 46472928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 160, 192, 193, 226, 240, 320, 339, 386, 452, 480, 565, 579, 678, 772, 904, 960, 965, 1130, 1158, 1356, 1544, 1695, 1808, 1930, 2260, 2316, 2712, 2895, 3088, 3390, 3616, 3860, 4520, 4632, 5424, 5790, 6176, 6780, 7232, 7720, 9040, 9264, 10848, 11580, 12352, 13560, 15440, 18080, 18528, 21696, 21809, 23160, 27120, 30880, 36160, 37056, 43618, 46320, 54240, 61760, 65427, 87236, 92640, 108480, 109045, 130854, 174472, 185280, 218090, 261708, 327135, 348944, 436180, 523416, 654270, 697888, 872360, 1046832, 1308540, 1395776, 1744720, 2093664, 2617080, 3489440, 4187328, 5234160, 6978880, 10468320, 20936640]

約数ペア:

[(1, 20936640), (2, 10468320), (3, 6978880), (4, 5234160), (5, 4187328), (6, 3489440), (8, 2617080), (10, 2093664), (12, 1744720), (15, 1395776), (16, 1308540), (20, 1046832), (24, 872360), (30, 697888), (32, 654270), (40, 523416), (48, 436180), (60, 348944), (64, 327135), (80, 261708), (96, 218090), (113, 185280), (120, 174472), (160, 130854), (192, 109045), (193, 108480), (226, 92640), (240, 87236), (320, 65427), (339, 61760), (386, 54240), (452, 46320), (480, 43618), (565, 37056), (579, 36160), (678, 30880), (772, 27120), (904, 23160), (960, 21809), (965, 21696), (1130, 18528), (1158, 18080), (1356, 15440), (1544, 13560), (1695, 12352), (1808, 11580), (1930, 10848), (2260, 9264), (2316, 9040), (2712, 7720), (2895, 7232), (3088, 6780), (3390, 6176), (3616, 5790), (3860, 5424), (4520, 4632)]