20995996

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2767}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 42162176

約数和(自身を除く): 21166180

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 2767, 3794, 5534, 7588, 11068, 19369, 38738, 77476, 749857, 1499714, 2999428, 5248999, 10497998, 20995996]

約数ペア:

[(1, 20995996), (2, 10497998), (4, 5248999), (7, 2999428), (14, 1499714), (28, 749857), (271, 77476), (542, 38738), (1084, 19369), (1897, 11068), (2767, 7588), (3794, 5534)]