20154488

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4523}}^1$

素因数の和:5086

約数の個数: 16

約数和(自身を含む): 37865880

約数和(自身を除く): 17711392

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4523, 9046, 18092, 36184, 2519311, 5038622, 10077244, 20154488]

約数ペア:

[(1, 20154488), (2, 10077244), (4, 5038622), (8, 2519311), (557, 36184), (1114, 18092), (2228, 9046), (4456, 4523)]