20402354

素因数分解:

$2^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{3907}}^1$

素因数の和:4289

約数の個数: 16

約数和(自身を含む): 35078208

約数和(自身を除く): 14675854

約数列:

[1, 2, 7, 14, 373, 746, 2611, 3907, 5222, 7814, 27349, 54698, 1457311, 2914622, 10201177, 20402354]

約数ペア:

[(1, 20402354), (2, 10201177), (7, 2914622), (14, 1457311), (373, 54698), (746, 27349), (2611, 7814), (3907, 5222)]