20955465

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2207}}^1$

素因数の和:2429

約数の個数: 24

約数和(自身を含む): 36511488

約数和(自身を除く): 15556023

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2207, 3165, 6621, 9495, 11035, 19863, 33105, 99315, 465677, 1397031, 2328385, 4191093, 6985155, 20955465]

約数ペア:

[(1, 20955465), (3, 6985155), (5, 4191093), (9, 2328385), (15, 1397031), (45, 465677), (211, 99315), (633, 33105), (1055, 19863), (1899, 11035), (2207, 9495), (3165, 6621)]