20862417

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3221}}^1$

素因数の和:3368

約数の個数: 16

約数和(自身を含む): 29693952

約数和(自身を除く): 8831535

約数列:

[1, 3, 17, 51, 127, 381, 2159, 3221, 6477, 9663, 54757, 164271, 409067, 1227201, 6954139, 20862417]

約数ペア:

[(1, 20862417), (3, 6954139), (17, 1227201), (51, 409067), (127, 164271), (381, 54757), (2159, 9663), (3221, 6477)]