20834016

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 44895648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 49, 56, 84, 86, 96, 98, 103, 112, 129, 147, 168, 172, 196, 206, 224, 258, 294, 301, 309, 336, 344, 392, 412, 516, 588, 602, 618, 672, 688, 721, 784, 824, 903, 1032, 1176, 1204, 1236, 1376, 1442, 1568, 1648, 1806, 2064, 2107, 2163, 2352, 2408, 2472, 2884, 3296, 3612, 4128, 4214, 4326, 4429, 4704, 4816, 4944, 5047, 5768, 6321, 7224, 8428, 8652, 8858, 9632, 9888, 10094, 11536, 12642, 13287, 14448, 15141, 16856, 17304, 17716, 20188, 23072, 25284, 26574, 28896, 30282, 31003, 33712, 34608, 35432, 40376, 50568, 53148, 60564, 62006, 67424, 69216, 70864, 80752, 93009, 101136, 106296, 121128, 124012, 141728, 161504, 186018, 202272, 212592, 217021, 242256, 248024, 372036, 425184, 434042, 484512, 496048, 651063, 744072, 868084, 992096, 1302126, 1488144, 1736168, 2604252, 2976288, 3472336, 5208504, 6944672, 10417008, 20834016]

約数ペア:

[(1, 20834016), (2, 10417008), (3, 6944672), (4, 5208504), (6, 3472336), (7, 2976288), (8, 2604252), (12, 1736168), (14, 1488144), (16, 1302126), (21, 992096), (24, 868084), (28, 744072), (32, 651063), (42, 496048), (43, 484512), (48, 434042), (49, 425184), (56, 372036), (84, 248024), (86, 242256), (96, 217021), (98, 212592), (103, 202272), (112, 186018), (129, 161504), (147, 141728), (168, 124012), (172, 121128), (196, 106296), (206, 101136), (224, 93009), (258, 80752), (294, 70864), (301, 69216), (309, 67424), (336, 62006), (344, 60564), (392, 53148), (412, 50568), (516, 40376), (588, 35432), (602, 34608), (618, 33712), (672, 31003), (688, 30282), (721, 28896), (784, 26574), (824, 25284), (903, 23072), (1032, 20188), (1176, 17716), (1204, 17304), (1236, 16856), (1376, 15141), (1442, 14448), (1568, 13287), (1648, 12642), (1806, 11536), (2064, 10094), (2107, 9888), (2163, 9632), (2352, 8858), (2408, 8652), (2472, 8428), (2884, 7224), (3296, 6321), (3612, 5768), (4128, 5047), (4214, 4944), (4326, 4816), (4429, 4704)]