20481664

素因数分解:

$2^7\times 7^1\times {\mathrm{22859}}^1$

素因数の和:22880

約数の個数: 32

約数和(自身を含む): 46634400

約数和(自身を除く): 26152736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22859, 45718, 91436, 160013, 182872, 320026, 365744, 640052, 731488, 1280104, 1462976, 2560208, 2925952, 5120416, 10240832, 20481664]

約数ペア:

[(1, 20481664), (2, 10240832), (4, 5120416), (7, 2925952), (8, 2560208), (14, 1462976), (16, 1280104), (28, 731488), (32, 640052), (56, 365744), (64, 320026), (112, 182872), (128, 160013), (224, 91436), (448, 45718), (896, 22859)]