20168703910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87690017}}^1$

素因数の和:87690047

約数の個数: 16

約数和(自身を含む): 37882087776

約数和(自身を除く): 17713383866

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87690017, 175380034, 438450085, 876900170, 2016870391, 4033740782, 10084351955, 20168703910]

約数ペア:

[(1, 20168703910), (2, 10084351955), (5, 4033740782), (10, 2016870391), (23, 876900170), (46, 438450085), (115, 175380034), (230, 87690017)]