20804924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39107}}^1$

素因数の和:39137

約数の個数: 24

約数和(自身を含む): 43800960

約数和(自身を除く): 22996036

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39107, 78214, 156428, 273749, 547498, 743033, 1094996, 1486066, 2972132, 5201231, 10402462, 20804924]

約数ペア:

[(1, 20804924), (2, 10402462), (4, 5201231), (7, 2972132), (14, 1486066), (19, 1094996), (28, 743033), (38, 547498), (76, 273749), (133, 156428), (266, 78214), (532, 39107)]