20139957477

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43877903}}^1$

素因数の和:43877929

約数の個数: 16

約数和(自身を含む): 31592090880

約数和(自身を除く): 11452133403

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43877903, 131633709, 394901127, 745924351, 1184703381, 2237773053, 6713319159, 20139957477]

約数ペア:

[(1, 20139957477), (3, 6713319159), (9, 2237773053), (17, 1184703381), (27, 745924351), (51, 394901127), (153, 131633709), (459, 43877903)]