20471296

素因数分解:

$2^9\times {\mathrm{39983}}^1$

素因数の和:40001

約数の個数: 20

約数和(自身を含む): 40903632

約数和(自身を除く): 20432336

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39983, 79966, 159932, 319864, 639728, 1279456, 2558912, 5117824, 10235648, 20471296]

約数ペア:

[(1, 20471296), (2, 10235648), (4, 5117824), (8, 2558912), (16, 1279456), (32, 639728), (64, 319864), (128, 159932), (256, 79966), (512, 39983)]