20219287

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 3281513

約数列:

[1, 11, 19, 89, 209, 979, 1087, 1691, 11957, 18601, 20653, 96743, 227183, 1064173, 1838117, 20219287]

約数ペア:

[(1, 20219287), (11, 1838117), (19, 1064173), (89, 227183), (209, 96743), (979, 20653), (1087, 18601), (1691, 11957)]