20740051

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 1879469

約数列:

[1, 17, 67, 131, 139, 1139, 2227, 2363, 8777, 9313, 18209, 149209, 158321, 309553, 1220003, 20740051]

約数ペア:

[(1, 20740051), (17, 1220003), (67, 309553), (131, 158321), (139, 149209), (1139, 18209), (2227, 9313), (2363, 8777)]