20158785

素因数分解:

$3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1201}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 35064744

約数和(自身を除く): 14905959

約数列:

[1, 3, 5, 9, 15, 45, 373, 1119, 1201, 1865, 3357, 3603, 5595, 6005, 10809, 16785, 18015, 54045, 447973, 1343919, 2239865, 4031757, 6719595, 20158785]

約数ペア:

[(1, 20158785), (3, 6719595), (5, 4031757), (9, 2239865), (15, 1343919), (45, 447973), (373, 54045), (1119, 18015), (1201, 16785), (1865, 10809), (3357, 6005), (3603, 5595)]