20794928

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16879}}^1$

素因数の和:16905

約数の個数: 40

約数和(自身を含む): 50234880

約数和(自身を除く): 29439952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16879, 33758, 67516, 118153, 135032, 185669, 236306, 270064, 371338, 472612, 742676, 945224, 1299683, 1485352, 1890448, 2599366, 2970704, 5198732, 10397464, 20794928]

約数ペア:

[(1, 20794928), (2, 10397464), (4, 5198732), (7, 2970704), (8, 2599366), (11, 1890448), (14, 1485352), (16, 1299683), (22, 945224), (28, 742676), (44, 472612), (56, 371338), (77, 270064), (88, 236306), (112, 185669), (154, 135032), (176, 118153), (308, 67516), (616, 33758), (1232, 16879)]