20544986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 18438694

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 1879, 3758, 5467, 10934, 13153, 20669, 26306, 41338, 133409, 144683, 266818, 289366, 933863, 1467499, 1867726, 2934998, 10272493, 20544986]

約数ペア:

[(1, 20544986), (2, 10272493), (7, 2934998), (11, 1867726), (14, 1467499), (22, 933863), (71, 289366), (77, 266818), (142, 144683), (154, 133409), (497, 41338), (781, 26306), (994, 20669), (1562, 13153), (1879, 10934), (3758, 5467)]