20415824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8923}}^1$

素因数の和:8955

約数の個数: 40

約数和(自身を含む): 46476192

約数和(自身を除く): 26060368

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8923, 17846, 35692, 71384, 98153, 115999, 142768, 196306, 231998, 392612, 463996, 785224, 927992, 1275989, 1570448, 1855984, 2551978, 5103956, 10207912, 20415824]

約数ペア:

[(1, 20415824), (2, 10207912), (4, 5103956), (8, 2551978), (11, 1855984), (13, 1570448), (16, 1275989), (22, 927992), (26, 785224), (44, 463996), (52, 392612), (88, 231998), (104, 196306), (143, 142768), (176, 115999), (208, 98153), (286, 71384), (572, 35692), (1144, 17846), (2288, 8923)]