20611756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9967}}^1$

素因数の和:10029

約数の個数: 24

約数和(自身を含む): 40190976

約数和(自身を除く): 19579220

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9967, 19934, 39868, 109637, 219274, 438548, 468449, 936898, 1873796, 5152939, 10305878, 20611756]

約数ペア:

[(1, 20611756), (2, 10305878), (4, 5152939), (11, 1873796), (22, 936898), (44, 468449), (47, 438548), (94, 219274), (188, 109637), (517, 39868), (1034, 19934), (2068, 9967)]