20285678

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 16541458

約数列:

[1, 2, 7, 14, 23, 46, 73, 146, 161, 322, 511, 863, 1022, 1679, 1726, 3358, 6041, 11753, 12082, 19849, 23506, 39698, 62999, 125998, 138943, 277886, 440993, 881986, 1448977, 2897954, 10142839, 20285678]

約数ペア:

[(1, 20285678), (2, 10142839), (7, 2897954), (14, 1448977), (23, 881986), (46, 440993), (73, 277886), (146, 138943), (161, 125998), (322, 62999), (511, 39698), (863, 23506), (1022, 19849), (1679, 12082), (1726, 11753), (3358, 6041)]