20797963293

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{25411}}^1$

素因数の和:25689

約数の個数: 32

約数和(自身を含む): 29713743360

約数和(自身を除く): 8915780067

約数列:

[1, 3, 19, 57, 83, 173, 249, 519, 1577, 3287, 4731, 9861, 14359, 25411, 43077, 76233, 272821, 482809, 818463, 1448427, 2109113, 4396103, 6327339, 13188309, 40073147, 83525957, 120219441, 250577871, 364876549, 1094629647, 6932654431, 20797963293]

約数ペア:

[(1, 20797963293), (3, 6932654431), (19, 1094629647), (57, 364876549), (83, 250577871), (173, 120219441), (249, 83525957), (519, 40073147), (1577, 13188309), (3287, 6327339), (4731, 4396103), (9861, 2109113), (14359, 1448427), (25411, 818463), (43077, 482809), (76233, 272821)]