20322465

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6421}}^1$

素因数の和:6640

約数の個数: 16

約数和(自身を含む): 32675136

約数和(自身を除く): 12352671

約数列:

[1, 3, 5, 15, 211, 633, 1055, 3165, 6421, 19263, 32105, 96315, 1354831, 4064493, 6774155, 20322465]

約数ペア:

[(1, 20322465), (3, 6774155), (5, 4064493), (15, 1354831), (211, 96315), (633, 32105), (1055, 19263), (3165, 6421)]