20563546

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1725

約数の個数: 16

約数和(自身を含む): 31784544

約数和(自身を除く): 11220998

約数列:

[1, 2, 43, 86, 157, 314, 1523, 3046, 6751, 13502, 65489, 130978, 239111, 478222, 10281773, 20563546]

約数ペア:

[(1, 20563546), (2, 10281773), (43, 478222), (86, 239111), (157, 130978), (314, 65489), (1523, 13502), (3046, 6751)]