20646144

素因数分解:

$2^8\times 3^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 63772800

約数和(自身を除く): 43126656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 87, 96, 103, 108, 116, 128, 144, 174, 192, 206, 216, 232, 256, 261, 288, 309, 348, 384, 412, 432, 464, 522, 576, 618, 696, 768, 783, 824, 864, 927, 928, 1044, 1152, 1236, 1392, 1566, 1648, 1728, 1854, 1856, 2088, 2304, 2472, 2781, 2784, 2987, 3132, 3296, 3456, 3708, 3712, 4176, 4944, 5562, 5568, 5974, 6264, 6592, 6912, 7416, 7424, 8352, 8961, 9888, 11124, 11136, 11948, 12528, 13184, 14832, 16704, 17922, 19776, 22248, 22272, 23896, 25056, 26368, 26883, 29664, 33408, 35844, 39552, 44496, 47792, 50112, 53766, 59328, 66816, 71688, 79104, 80649, 88992, 95584, 100224, 107532, 118656, 143376, 161298, 177984, 191168, 200448, 215064, 237312, 286752, 322596, 355968, 382336, 430128, 573504, 645192, 711936, 764672, 860256, 1147008, 1290384, 1720512, 2294016, 2580768, 3441024, 5161536, 6882048, 10323072, 20646144]

約数ペア:

[(1, 20646144), (2, 10323072), (3, 6882048), (4, 5161536), (6, 3441024), (8, 2580768), (9, 2294016), (12, 1720512), (16, 1290384), (18, 1147008), (24, 860256), (27, 764672), (29, 711936), (32, 645192), (36, 573504), (48, 430128), (54, 382336), (58, 355968), (64, 322596), (72, 286752), (87, 237312), (96, 215064), (103, 200448), (108, 191168), (116, 177984), (128, 161298), (144, 143376), (174, 118656), (192, 107532), (206, 100224), (216, 95584), (232, 88992), (256, 80649), (261, 79104), (288, 71688), (309, 66816), (348, 59328), (384, 53766), (412, 50112), (432, 47792), (464, 44496), (522, 39552), (576, 35844), (618, 33408), (696, 29664), (768, 26883), (783, 26368), (824, 25056), (864, 23896), (927, 22272), (928, 22248), (1044, 19776), (1152, 17922), (1236, 16704), (1392, 14832), (1566, 13184), (1648, 12528), (1728, 11948), (1854, 11136), (1856, 11124), (2088, 9888), (2304, 8961), (2472, 8352), (2781, 7424), (2784, 7416), (2987, 6912), (3132, 6592), (3296, 6264), (3456, 5974), (3708, 5568), (3712, 5562), (4176, 4944)]