20974082

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{811}}^1$

素因数の和:1073

約数の個数: 16

約数和(自身を含む): 32135712

約数和(自身を除く): 11161630

約数列:

[1, 2, 67, 134, 193, 386, 811, 1622, 12931, 25862, 54337, 108674, 156523, 313046, 10487041, 20974082]

約数ペア:

[(1, 20974082), (2, 10487041), (67, 313046), (134, 156523), (193, 108674), (386, 54337), (811, 25862), (1622, 12931)]