20912782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{3037}}^1$

素因数の和:3363

約数の個数: 16

約数和(自身を含む): 34341552

約数和(自身を除く): 13428770

約数列:

[1, 2, 11, 22, 313, 626, 3037, 3443, 6074, 6886, 33407, 66814, 950581, 1901162, 10456391, 20912782]

約数ペア:

[(1, 20912782), (2, 10456391), (11, 1901162), (22, 950581), (313, 66814), (626, 33407), (3037, 6886), (3443, 6074)]