20137259

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 22093824

約数和(自身を除く): 1956565

約数列:

[1, 23, 31, 61, 463, 713, 1403, 1891, 10649, 14353, 28243, 43493, 330119, 649589, 875533, 20137259]

約数ペア:

[(1, 20137259), (23, 875533), (31, 649589), (61, 330119), (463, 43493), (713, 28243), (1403, 14353), (1891, 10649)]