20887362

素因数分解:

$2^1\times 3^3\times {\mathrm{613}}^1\times {\mathrm{631}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 46565760

約数和(自身を除く): 25678398

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 613, 631, 1226, 1262, 1839, 1893, 3678, 3786, 5517, 5679, 11034, 11358, 16551, 17037, 33102, 34074, 386803, 773606, 1160409, 2320818, 3481227, 6962454, 10443681, 20887362]

約数ペア:

[(1, 20887362), (2, 10443681), (3, 6962454), (6, 3481227), (9, 2320818), (18, 1160409), (27, 773606), (54, 386803), (613, 34074), (631, 33102), (1226, 17037), (1262, 16551), (1839, 11358), (1893, 11034), (3678, 5679), (3786, 5517)]