20540776

素因数分解:

$2^3\times {\mathrm{227}}^1\times {\mathrm{11311}}^1$

素因数の和:11544

約数の個数: 16

約数和(自身を含む): 38687040

約数和(自身を除く): 18146264

約数列:

[1, 2, 4, 8, 227, 454, 908, 1816, 11311, 22622, 45244, 90488, 2567597, 5135194, 10270388, 20540776]

約数ペア:

[(1, 20540776), (2, 10270388), (4, 5135194), (8, 2567597), (227, 90488), (454, 45244), (908, 22622), (1816, 11311)]