20077906

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{827}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 30801600

約数和(自身を除く): 10723694

約数列:

[1, 2, 61, 122, 199, 398, 827, 1654, 12139, 24278, 50447, 100894, 164573, 329146, 10038953, 20077906]

約数ペア:

[(1, 20077906), (2, 10038953), (61, 329146), (122, 164573), (199, 100894), (398, 50447), (827, 24278), (1654, 12139)]