20320659

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{20341}}^1$

素因数の和:20387

約数の個数: 16

約数和(自身を含む): 30919840

約数和(自身を除く): 10599181

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 20341, 61023, 183069, 549207, 752617, 2257851, 6773553, 20320659]

約数ペア:

[(1, 20320659), (3, 6773553), (9, 2257851), (27, 752617), (37, 549207), (111, 183069), (333, 61023), (999, 20341)]