20542268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3037}}^1$

素因数の和:3149

約数の個数: 24

約数和(自身を含む): 38278800

約数和(自身を除く): 17736532

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3037, 3382, 6074, 6764, 12148, 57703, 115406, 230812, 270293, 540586, 1081172, 5135567, 10271134, 20542268]

約数ペア:

[(1, 20542268), (2, 10271134), (4, 5135567), (19, 1081172), (38, 540586), (76, 270293), (89, 230812), (178, 115406), (356, 57703), (1691, 12148), (3037, 6764), (3382, 6074)]