20137342810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{986641}}^1$

素因数の和:986818

約数の個数: 32

約数和(自身を含む): 39284137872

約数和(自身を除く): 19146795062

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 10205, 20410, 986641, 1973282, 4933205, 9866410, 12826333, 25652666, 64131665, 128263330, 154902637, 309805274, 774513185, 1549026370, 2013734281, 4027468562, 10068671405, 20137342810]

約数ペア:

[(1, 20137342810), (2, 10068671405), (5, 4027468562), (10, 2013734281), (13, 1549026370), (26, 774513185), (65, 309805274), (130, 154902637), (157, 128263330), (314, 64131665), (785, 25652666), (1570, 12826333), (2041, 9866410), (4082, 4933205), (10205, 1973282), (20410, 986641)]