20560666

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63853}}^1$

素因数の和:63885

約数の個数: 16

約数和(自身を含む): 36779904

約数和(自身を除く): 16219238

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63853, 127706, 446971, 893942, 1468619, 2937238, 10280333, 20560666]

約数ペア:

[(1, 20560666), (2, 10280333), (7, 2937238), (14, 1468619), (23, 893942), (46, 446971), (161, 127706), (322, 63853)]