20371516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4327}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 39263616

約数和(自身を除く): 18892100

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4327, 4708, 8654, 17308, 47597, 95194, 190388, 462989, 925978, 1851956, 5092879, 10185758, 20371516]

約数ペア:

[(1, 20371516), (2, 10185758), (4, 5092879), (11, 1851956), (22, 925978), (44, 462989), (107, 190388), (214, 95194), (428, 47597), (1177, 17308), (2354, 8654), (4327, 4708)]