20906494

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64927}}^1$

素因数の和:64959

約数の個数: 16

約数和(自身を含む): 37398528

約数和(自身を除く): 16492034

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64927, 129854, 454489, 908978, 1493321, 2986642, 10453247, 20906494]

約数ペア:

[(1, 20906494), (2, 10453247), (7, 2986642), (14, 1493321), (23, 908978), (46, 454489), (161, 129854), (322, 64927)]