20565499545

素因数分解:

$3^2\times 5^1\times {\mathrm{457011101}}^1$

素因数の和:457011112

約数の個数: 12

約数和(自身を含む): 35646865956

約数和(自身を除く): 15081366411

約数列:

[1, 3, 5, 9, 15, 45, 457011101, 1371033303, 2285055505, 4113099909, 6855166515, 20565499545]

約数ペア:

[(1, 20565499545), (3, 6855166515), (5, 4113099909), (9, 2285055505), (15, 1371033303), (45, 457011101)]