20103568

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4889}}^1$

素因数の和:5154

約数の個数: 20

約数和(自身を含む): 39110220

約数和(自身を除く): 19006652

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4889, 9778, 19556, 39112, 78224, 1256473, 2512946, 5025892, 10051784, 20103568]

約数ペア:

[(1, 20103568), (2, 10051784), (4, 5025892), (8, 2512946), (16, 1256473), (257, 78224), (514, 39112), (1028, 19556), (2056, 9778), (4112, 4889)]