20784294249

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1\times {\mathrm{2381}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 28432619136

約数和(自身を除く): 7648324887

約数列:

[1, 3, 67, 137, 201, 317, 411, 951, 2381, 7143, 9179, 21239, 27537, 43429, 63717, 130287, 159527, 326197, 478581, 754777, 978591, 2264331, 2909743, 8729229, 21855199, 50570059, 65565597, 103404449, 151710177, 310213347, 6928098083, 20784294249]

約数ペア:

[(1, 20784294249), (3, 6928098083), (67, 310213347), (137, 151710177), (201, 103404449), (317, 65565597), (411, 50570059), (951, 21855199), (2381, 8729229), (7143, 2909743), (9179, 2264331), (21239, 978591), (27537, 754777), (43429, 478581), (63717, 326197), (130287, 159527)]