20315868608

素因数分解:

$2^6\times 7^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{1259}}^1$

素因数の和:1658

約数の個数: 112

約数和(自身を含む): 46597824000

約数和(自身を除く): 26281955392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 181, 199, 224, 362, 398, 448, 724, 796, 1259, 1267, 1393, 1448, 1592, 2518, 2534, 2786, 2896, 3184, 5036, 5068, 5572, 5792, 6368, 8813, 10072, 10136, 11144, 11584, 12736, 17626, 20144, 20272, 22288, 35252, 36019, 40288, 40544, 44576, 70504, 72038, 80576, 81088, 89152, 141008, 144076, 227879, 250541, 252133, 282016, 288152, 455758, 501082, 504266, 564032, 576304, 911516, 1002164, 1008532, 1152608, 1595153, 1753787, 1823032, 2004328, 2017064, 2305216, 3190306, 3507574, 3646064, 4008656, 4034128, 6380612, 7015148, 7292128, 8017312, 8068256, 12761224, 14030296, 14584256, 16034624, 16136512, 25522448, 28060592, 45347921, 51044896, 56121184, 90695842, 102089792, 112242368, 181391684, 317435447, 362783368, 634870894, 725566736, 1269741788, 1451133472, 2539483576, 2902266944, 5078967152, 10157934304, 20315868608]

約数ペア:

[(1, 20315868608), (2, 10157934304), (4, 5078967152), (7, 2902266944), (8, 2539483576), (14, 1451133472), (16, 1269741788), (28, 725566736), (32, 634870894), (56, 362783368), (64, 317435447), (112, 181391684), (181, 112242368), (199, 102089792), (224, 90695842), (362, 56121184), (398, 51044896), (448, 45347921), (724, 28060592), (796, 25522448), (1259, 16136512), (1267, 16034624), (1393, 14584256), (1448, 14030296), (1592, 12761224), (2518, 8068256), (2534, 8017312), (2786, 7292128), (2896, 7015148), (3184, 6380612), (5036, 4034128), (5068, 4008656), (5572, 3646064), (5792, 3507574), (6368, 3190306), (8813, 2305216), (10072, 2017064), (10136, 2004328), (11144, 1823032), (11584, 1753787), (12736, 1595153), (17626, 1152608), (20144, 1008532), (20272, 1002164), (22288, 911516), (35252, 576304), (36019, 564032), (40288, 504266), (40544, 501082), (44576, 455758), (70504, 288152), (72038, 282016), (80576, 252133), (81088, 250541), (89152, 227879), (141008, 144076)]