20751496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136523}}^1$

素因数の和:136548

約数の個数: 16

約数和(自身を含む): 40957200

約数和(自身を除く): 20205704

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136523, 273046, 546092, 1092184, 2593937, 5187874, 10375748, 20751496]

約数ペア:

[(1, 20751496), (2, 10375748), (4, 5187874), (8, 2593937), (19, 1092184), (38, 546092), (76, 273046), (152, 136523)]