20091863

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 22505472

約数和(自身を除く): 2413609

約数列:

[1, 11, 73, 131, 191, 803, 1441, 2101, 9563, 13943, 25021, 105193, 153373, 275231, 1826533, 20091863]

約数ペア:

[(1, 20091863), (11, 1826533), (73, 275231), (131, 153373), (191, 105193), (803, 25021), (1441, 13943), (2101, 9563)]