20164569872

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9066803}}^1$

素因数の和:9066950

約数の個数: 20

約数和(自身を含む): 39349929360

約数和(自身を除く): 19185359488

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9066803, 18133606, 36267212, 72534424, 145068848, 1260285617, 2520571234, 5041142468, 10082284936, 20164569872]

約数ペア:

[(1, 20164569872), (2, 10082284936), (4, 5041142468), (8, 2520571234), (16, 1260285617), (139, 145068848), (278, 72534424), (556, 36267212), (1112, 18133606), (2224, 9066803)]