20378624

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2843}}^1$

素因数の和:2870

約数の個数: 44

約数和(自身を含む): 46573344

約数和(自身を除く): 26194720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2843, 3584, 5686, 7168, 11372, 19901, 22744, 39802, 45488, 79604, 90976, 159208, 181952, 318416, 363904, 636832, 727808, 1273664, 1455616, 2547328, 2911232, 5094656, 10189312, 20378624]

約数ペア:

[(1, 20378624), (2, 10189312), (4, 5094656), (7, 2911232), (8, 2547328), (14, 1455616), (16, 1273664), (28, 727808), (32, 636832), (56, 363904), (64, 318416), (112, 181952), (128, 159208), (224, 90976), (256, 79604), (448, 45488), (512, 39802), (896, 22744), (1024, 19901), (1792, 11372), (2843, 7168), (3584, 5686)]