20854894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6947}}^1$

素因数の和:7047

約数の個数: 16

約数和(自身を含む): 33350400

約数和(自身を除く): 12495506

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 6947, 13894, 131993, 263986, 548813, 1097626, 10427447, 20854894]

約数ペア:

[(1, 20854894), (2, 10427447), (19, 1097626), (38, 548813), (79, 263986), (158, 131993), (1501, 13894), (3002, 6947)]