20908580920

素因数分解:

$2^3\times 5^1\times {\mathrm{522714523}}^1$

素因数の和:522714534

約数の個数: 16

約数和(自身を含む): 47044307160

約数和(自身を除く): 26135726240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 522714523, 1045429046, 2090858092, 2613572615, 4181716184, 5227145230, 10454290460, 20908580920]

約数ペア:

[(1, 20908580920), (2, 10454290460), (4, 5227145230), (5, 4181716184), (8, 2613572615), (10, 2090858092), (20, 1045429046), (40, 522714523)]