20403339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6947}}^1$

素因数の和:7050

約数の個数: 16

約数和(自身を含む): 30015360

約数和(自身を除く): 9612021

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6947, 20841, 76417, 229251, 618283, 1854849, 6801113, 20403339]

約数ペア:

[(1, 20403339), (3, 6801113), (11, 1854849), (33, 618283), (89, 229251), (267, 76417), (979, 20841), (2937, 6947)]