20848128

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{277}}^1$

素因数の和:312

約数の個数: 120

約数和(自身を含む): 64841832

約数和(自身を除く): 43993704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 277, 294, 336, 384, 392, 448, 512, 554, 588, 672, 768, 784, 831, 896, 1108, 1176, 1344, 1536, 1568, 1662, 1792, 1939, 2216, 2352, 2688, 3136, 3324, 3584, 3878, 4432, 4704, 5376, 5817, 6272, 6648, 7756, 8864, 9408, 10752, 11634, 12544, 13296, 13573, 15512, 17728, 18816, 23268, 25088, 26592, 27146, 31024, 35456, 37632, 40719, 46536, 53184, 54292, 62048, 70912, 75264, 81438, 93072, 106368, 108584, 124096, 141824, 162876, 186144, 212736, 217168, 248192, 325752, 372288, 425472, 434336, 496384, 651504, 744576, 868672, 992768, 1303008, 1489152, 1737344, 2606016, 2978304, 3474688, 5212032, 6949376, 10424064, 20848128]

約数ペア:

[(1, 20848128), (2, 10424064), (3, 6949376), (4, 5212032), (6, 3474688), (7, 2978304), (8, 2606016), (12, 1737344), (14, 1489152), (16, 1303008), (21, 992768), (24, 868672), (28, 744576), (32, 651504), (42, 496384), (48, 434336), (49, 425472), (56, 372288), (64, 325752), (84, 248192), (96, 217168), (98, 212736), (112, 186144), (128, 162876), (147, 141824), (168, 124096), (192, 108584), (196, 106368), (224, 93072), (256, 81438), (277, 75264), (294, 70912), (336, 62048), (384, 54292), (392, 53184), (448, 46536), (512, 40719), (554, 37632), (588, 35456), (672, 31024), (768, 27146), (784, 26592), (831, 25088), (896, 23268), (1108, 18816), (1176, 17728), (1344, 15512), (1536, 13573), (1568, 13296), (1662, 12544), (1792, 11634), (1939, 10752), (2216, 9408), (2352, 8864), (2688, 7756), (3136, 6648), (3324, 6272), (3584, 5817), (3878, 5376), (4432, 4704)]