20864955

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16759}}^1$

素因数の和:16850

約数の個数: 16

約数和(自身を含む): 33788160

約数和(自身を除く): 12923205

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 16759, 50277, 83795, 251385, 1390997, 4172991, 6954985, 20864955]

約数ペア:

[(1, 20864955), (3, 6954985), (5, 4172991), (15, 1390997), (83, 251385), (249, 83795), (415, 50277), (1245, 16759)]