20459824

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16607}}^1$

素因数の和:16633

約数の個数: 40

約数和(自身を含む): 49425408

約数和(自身を除く): 28965584

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16607, 33214, 66428, 116249, 132856, 182677, 232498, 265712, 365354, 464996, 730708, 929992, 1278739, 1461416, 1859984, 2557478, 2922832, 5114956, 10229912, 20459824]

約数ペア:

[(1, 20459824), (2, 10229912), (4, 5114956), (7, 2922832), (8, 2557478), (11, 1859984), (14, 1461416), (16, 1278739), (22, 929992), (28, 730708), (44, 464996), (56, 365354), (77, 265712), (88, 232498), (112, 182677), (154, 132856), (176, 116249), (308, 66428), (616, 33214), (1232, 16607)]