20736014721

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{439667}}^1$

素因数の和:439948

約数の個数: 16

約数和(自身を含む): 28138752000

約数和(自身を除く): 7402737279

約数列:

[1, 3, 79, 199, 237, 597, 15721, 47163, 439667, 1319001, 34733693, 87493733, 104201079, 262481199, 6912004907, 20736014721]

約数ペア:

[(1, 20736014721), (3, 6912004907), (79, 262481199), (199, 104201079), (237, 87493733), (597, 34733693), (15721, 1319001), (47163, 439667)]