20580081

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{883}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 29150784

約数和(自身を除く): 8570703

約数列:

[1, 3, 17, 51, 457, 883, 1371, 2649, 7769, 15011, 23307, 45033, 403531, 1210593, 6860027, 20580081]

約数ペア:

[(1, 20580081), (3, 6860027), (17, 1210593), (51, 403531), (457, 45033), (883, 23307), (1371, 15011), (2649, 7769)]