20496896

素因数分解:

$2^9\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 120

約数和(自身を含む): 51313680

約数和(自身を除く): 30816784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 43, 49, 56, 64, 76, 86, 98, 112, 128, 133, 152, 172, 196, 224, 256, 266, 301, 304, 344, 392, 448, 512, 532, 602, 608, 688, 784, 817, 896, 931, 1064, 1204, 1216, 1376, 1568, 1634, 1792, 1862, 2107, 2128, 2408, 2432, 2752, 3136, 3268, 3584, 3724, 4214, 4256, 4816, 4864, 5504, 5719, 6272, 6536, 7448, 8428, 8512, 9632, 9728, 11008, 11438, 12544, 13072, 14896, 16856, 17024, 19264, 22016, 22876, 25088, 26144, 29792, 33712, 34048, 38528, 40033, 45752, 52288, 59584, 67424, 68096, 77056, 80066, 91504, 104576, 119168, 134848, 154112, 160132, 183008, 209152, 238336, 269696, 320264, 366016, 418304, 476672, 539392, 640528, 732032, 1078784, 1281056, 1464064, 2562112, 2928128, 5124224, 10248448, 20496896]

約数ペア:

[(1, 20496896), (2, 10248448), (4, 5124224), (7, 2928128), (8, 2562112), (14, 1464064), (16, 1281056), (19, 1078784), (28, 732032), (32, 640528), (38, 539392), (43, 476672), (49, 418304), (56, 366016), (64, 320264), (76, 269696), (86, 238336), (98, 209152), (112, 183008), (128, 160132), (133, 154112), (152, 134848), (172, 119168), (196, 104576), (224, 91504), (256, 80066), (266, 77056), (301, 68096), (304, 67424), (344, 59584), (392, 52288), (448, 45752), (512, 40033), (532, 38528), (602, 34048), (608, 33712), (688, 29792), (784, 26144), (817, 25088), (896, 22876), (931, 22016), (1064, 19264), (1204, 17024), (1216, 16856), (1376, 14896), (1568, 13072), (1634, 12544), (1792, 11438), (1862, 11008), (2107, 9728), (2128, 9632), (2408, 8512), (2432, 8428), (2752, 7448), (3136, 6536), (3268, 6272), (3584, 5719), (3724, 5504), (4214, 4864), (4256, 4816)]