20897456

素因数分解:

$2^4\times {\mathrm{1061}}^1\times {\mathrm{1231}}^1$

素因数の和:2300

約数の個数: 20

約数和(自身を含む): 40559904

約数和(自身を除く): 19662448

約数列:

[1, 2, 4, 8, 16, 1061, 1231, 2122, 2462, 4244, 4924, 8488, 9848, 16976, 19696, 1306091, 2612182, 5224364, 10448728, 20897456]

約数ペア:

[(1, 20897456), (2, 10448728), (4, 5224364), (8, 2612182), (16, 1306091), (1061, 19696), (1231, 16976), (2122, 9848), (2462, 8488), (4244, 4924)]