20374018

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15568382

約数列:

[1, 2, 7, 14, 71, 103, 142, 199, 206, 398, 497, 721, 994, 1393, 1442, 2786, 7313, 14129, 14626, 20497, 28258, 40994, 51191, 98903, 102382, 143479, 197806, 286958, 1455287, 2910574, 10187009, 20374018]

約数ペア:

[(1, 20374018), (2, 10187009), (7, 2910574), (14, 1455287), (71, 286958), (103, 197806), (142, 143479), (199, 102382), (206, 98903), (398, 51191), (497, 40994), (721, 28258), (994, 20497), (1393, 14626), (1442, 14129), (2786, 7313)]