20551405730

素因数分解:

$2^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2170159}}^1$

素因数の和:2171113

約数の個数: 16

約数和(自身を含む): 37031610240

約数和(自身を除く): 16480204510

約数列:

[1, 2, 5, 10, 947, 1894, 4735, 9470, 2170159, 4340318, 10850795, 21701590, 2055140573, 4110281146, 10275702865, 20551405730]

約数ペア:

[(1, 20551405730), (2, 10275702865), (5, 4110281146), (10, 2055140573), (947, 21701590), (1894, 10850795), (4735, 4340318), (9470, 2170159)]