20512256

素因数分解:

$2^9\times {\mathrm{40063}}^1$

素因数の和:40081

約数の個数: 20

約数和(自身を含む): 40985472

約数和(自身を除く): 20473216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40063, 80126, 160252, 320504, 641008, 1282016, 2564032, 5128064, 10256128, 20512256]

約数ペア:

[(1, 20512256), (2, 10256128), (4, 5128064), (8, 2564032), (16, 1282016), (32, 641008), (64, 320504), (128, 160252), (256, 80126), (512, 40063)]