20212239

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5527}}^1$

素因数の和:5606

約数の個数: 16

約数和(自身を含む): 28657152

約数和(自身を除く): 8444913

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5527, 16581, 127121, 292931, 381363, 878793, 6737413, 20212239]

約数ペア:

[(1, 20212239), (3, 6737413), (23, 878793), (53, 381363), (69, 292931), (159, 127121), (1219, 16581), (3657, 5527)]