20400576

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 112

約数和(自身を含む): 63300864

約数和(自身を除く): 42900288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 64, 84, 86, 96, 112, 129, 168, 172, 192, 224, 258, 301, 336, 344, 353, 448, 516, 602, 672, 688, 706, 903, 1032, 1059, 1204, 1344, 1376, 1412, 1806, 2064, 2118, 2408, 2471, 2752, 2824, 3612, 4128, 4236, 4816, 4942, 5648, 7224, 7413, 8256, 8472, 9632, 9884, 11296, 14448, 14826, 15179, 16944, 19264, 19768, 22592, 28896, 29652, 30358, 33888, 39536, 45537, 57792, 59304, 60716, 67776, 79072, 91074, 106253, 118608, 121432, 158144, 182148, 212506, 237216, 242864, 318759, 364296, 425012, 474432, 485728, 637518, 728592, 850024, 971456, 1275036, 1457184, 1700048, 2550072, 2914368, 3400096, 5100144, 6800192, 10200288, 20400576]

約数ペア:

[(1, 20400576), (2, 10200288), (3, 6800192), (4, 5100144), (6, 3400096), (7, 2914368), (8, 2550072), (12, 1700048), (14, 1457184), (16, 1275036), (21, 971456), (24, 850024), (28, 728592), (32, 637518), (42, 485728), (43, 474432), (48, 425012), (56, 364296), (64, 318759), (84, 242864), (86, 237216), (96, 212506), (112, 182148), (129, 158144), (168, 121432), (172, 118608), (192, 106253), (224, 91074), (258, 79072), (301, 67776), (336, 60716), (344, 59304), (353, 57792), (448, 45537), (516, 39536), (602, 33888), (672, 30358), (688, 29652), (706, 28896), (903, 22592), (1032, 19768), (1059, 19264), (1204, 16944), (1344, 15179), (1376, 14826), (1412, 14448), (1806, 11296), (2064, 9884), (2118, 9632), (2408, 8472), (2471, 8256), (2752, 7413), (2824, 7224), (3612, 5648), (4128, 4942), (4236, 4816)]