20928824

素因数分解:

$2^3\times 7^1\times {\mathrm{503}}^1\times {\mathrm{743}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 24068296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 503, 743, 1006, 1486, 2012, 2972, 3521, 4024, 5201, 5944, 7042, 10402, 14084, 20804, 28168, 41608, 373729, 747458, 1494916, 2616103, 2989832, 5232206, 10464412, 20928824]

約数ペア:

[(1, 20928824), (2, 10464412), (4, 5232206), (7, 2989832), (8, 2616103), (14, 1494916), (28, 747458), (56, 373729), (503, 41608), (743, 28168), (1006, 20804), (1486, 14084), (2012, 10402), (2972, 7042), (3521, 5944), (4024, 5201)]