20161016140

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3179971}}^1$

素因数の和:3180297

約数の個数: 24

約数和(自身を含む): 42471706032

約数和(自身を除く): 22310689892

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 3179971, 6359942, 12719884, 15899855, 31799710, 63599420, 1008050807, 2016101614, 4032203228, 5040254035, 10080508070, 20161016140]

約数ペア:

[(1, 20161016140), (2, 10080508070), (4, 5040254035), (5, 4032203228), (10, 2016101614), (20, 1008050807), (317, 63599420), (634, 31799710), (1268, 15899855), (1585, 12719884), (3170, 6359942), (6340, 3179971)]