20869168

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4813}}^1$

素因数の和:5092

約数の個数: 20

約数和(自身を含む): 40591648

約数和(自身を除く): 19722480

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4813, 9626, 19252, 38504, 77008, 1304323, 2608646, 5217292, 10434584, 20869168]

約数ペア:

[(1, 20869168), (2, 10434584), (4, 5217292), (8, 2608646), (16, 1304323), (271, 77008), (542, 38504), (1084, 19252), (2168, 9626), (4336, 4813)]