20996004

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{2647}}^1$

素因数の和:3315

約数の個数: 24

約数和(自身を含む): 49083328

約数和(自身を除く): 28087324

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2644, 2647, 3966, 5294, 7932, 7941, 10588, 15882, 31764, 1749667, 3499334, 5249001, 6998668, 10498002, 20996004]

約数ペア:

[(1, 20996004), (2, 10498002), (3, 6998668), (4, 5249001), (6, 3499334), (12, 1749667), (661, 31764), (1322, 15882), (1983, 10588), (2644, 7941), (2647, 7932), (3966, 5294)]