20425846

素因数分解:

$2^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1084

約数の個数: 24

約数和(自身を含む): 35823816

約数和(自身を除く): 15397970

約数列:

[1, 2, 7, 14, 49, 98, 257, 514, 811, 1622, 1799, 3598, 5677, 11354, 12593, 25186, 39739, 79478, 208427, 416854, 1458989, 2917978, 10212923, 20425846]

約数ペア:

[(1, 20425846), (2, 10212923), (7, 2917978), (14, 1458989), (49, 416854), (98, 208427), (257, 79478), (514, 39739), (811, 25186), (1622, 12593), (1799, 11354), (3598, 5677)]