20909713

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 23732352

約数和(自身を除く): 2822639

約数列:

[1, 11, 41, 71, 451, 653, 781, 2911, 7183, 26773, 32021, 46363, 294503, 509993, 1900883, 20909713]

約数ペア:

[(1, 20909713), (11, 1900883), (41, 509993), (71, 294503), (451, 46363), (653, 32021), (781, 26773), (2911, 7183)]