20335616

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2837}}^1$

素因数の和:2864

約数の個数: 44

約数和(自身を含む): 46475088

約数和(自身を除く): 26139472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2837, 3584, 5674, 7168, 11348, 19859, 22696, 39718, 45392, 79436, 90784, 158872, 181568, 317744, 363136, 635488, 726272, 1270976, 1452544, 2541952, 2905088, 5083904, 10167808, 20335616]

約数ペア:

[(1, 20335616), (2, 10167808), (4, 5083904), (7, 2905088), (8, 2541952), (14, 1452544), (16, 1270976), (28, 726272), (32, 635488), (56, 363136), (64, 317744), (112, 181568), (128, 158872), (224, 90784), (256, 79436), (448, 45392), (512, 39718), (896, 22696), (1024, 19859), (1792, 11348), (2837, 7168), (3584, 5674)]