20910051

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7193}}^1$

素因数の和:7235

約数の個数: 24

約数和(自身を含む): 33667920

約数和(自身を除く): 12757869

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7193, 21579, 64737, 122281, 136667, 366843, 410001, 1100529, 1230003, 2323339, 6970017, 20910051]

約数ペア:

[(1, 20910051), (3, 6970017), (9, 2323339), (17, 1230003), (19, 1100529), (51, 410001), (57, 366843), (153, 136667), (171, 122281), (323, 64737), (969, 21579), (2907, 7193)]