20475904

素因数分解:

$2^{12}\times {\mathrm{4999}}^1$

素因数の和:5023

約数の個数: 26

約数和(自身を含む): 40955000

約数和(自身を除く): 20479096

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 4999, 9998, 19996, 39992, 79984, 159968, 319936, 639872, 1279744, 2559488, 5118976, 10237952, 20475904]

約数ペア:

[(1, 20475904), (2, 10237952), (4, 5118976), (8, 2559488), (16, 1279744), (32, 639872), (64, 319936), (128, 159968), (256, 79984), (512, 39992), (1024, 19996), (2048, 9998), (4096, 4999)]