20252871

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 30476160

約数和(自身を除く): 10223289

約数列:

[1, 3, 9, 43, 59, 129, 177, 387, 531, 887, 2537, 2661, 7611, 7983, 22833, 38141, 52333, 114423, 156999, 343269, 470997, 2250319, 6750957, 20252871]

約数ペア:

[(1, 20252871), (3, 6750957), (9, 2250319), (43, 470997), (59, 343269), (129, 156999), (177, 114423), (387, 52333), (531, 38141), (887, 22833), (2537, 7983), (2661, 7611)]