20533876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10853}}^1$

素因数の和:10911

約数の個数: 24

約数和(自身を含む): 40116384

約数和(自身を除く): 19582508

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10853, 21706, 43412, 119383, 238766, 466679, 477532, 933358, 1866716, 5133469, 10266938, 20533876]

約数ペア:

[(1, 20533876), (2, 10266938), (4, 5133469), (11, 1866716), (22, 933358), (43, 477532), (44, 466679), (86, 238766), (172, 119383), (473, 43412), (946, 21706), (1892, 10853)]