2020119808

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2131}}^1$

素因数の和:2200

約数の個数: 108

約数和(自身を含む): 4819735648

約数和(自身を除く): 2799615840

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 529, 644, 736, 896, 1058, 1288, 1472, 1792, 2116, 2131, 2576, 2944, 3703, 4232, 4262, 5152, 5888, 7406, 8464, 8524, 10304, 14812, 14917, 16928, 17048, 20608, 29624, 29834, 33856, 34096, 41216, 49013, 59248, 59668, 67712, 68192, 98026, 118496, 119336, 135424, 136384, 196052, 236992, 238672, 272768, 343091, 392104, 473984, 477344, 545536, 686182, 784208, 947968, 954688, 1127299, 1372364, 1568416, 1909376, 2254598, 2744728, 3136832, 3818752, 4509196, 5489456, 6273664, 7891093, 9018392, 10978912, 12547328, 15782186, 18036784, 21957824, 31564372, 36073568, 43915648, 63128744, 72147136, 87831296, 126257488, 144294272, 252514976, 288588544, 505029952, 1010059904, 2020119808]

約数ペア:

[(1, 2020119808), (2, 1010059904), (4, 505029952), (7, 288588544), (8, 252514976), (14, 144294272), (16, 126257488), (23, 87831296), (28, 72147136), (32, 63128744), (46, 43915648), (56, 36073568), (64, 31564372), (92, 21957824), (112, 18036784), (128, 15782186), (161, 12547328), (184, 10978912), (224, 9018392), (256, 7891093), (322, 6273664), (368, 5489456), (448, 4509196), (529, 3818752), (644, 3136832), (736, 2744728), (896, 2254598), (1058, 1909376), (1288, 1568416), (1472, 1372364), (1792, 1127299), (2116, 954688), (2131, 947968), (2576, 784208), (2944, 686182), (3703, 545536), (4232, 477344), (4262, 473984), (5152, 392104), (5888, 343091), (7406, 272768), (8464, 238672), (8524, 236992), (10304, 196052), (14812, 136384), (14917, 135424), (16928, 119336), (17048, 118496), (20608, 98026), (29624, 68192), (29834, 67712), (33856, 59668), (34096, 59248), (41216, 49013)]