20206842

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 42849600

約数和(自身を除く): 22642758

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 157, 314, 471, 942, 1129, 2258, 2983, 3387, 5966, 6774, 8949, 17898, 21451, 42902, 64353, 128706, 177253, 354506, 531759, 1063518, 3367807, 6735614, 10103421, 20206842]

約数ペア:

[(1, 20206842), (2, 10103421), (3, 6735614), (6, 3367807), (19, 1063518), (38, 531759), (57, 354506), (114, 177253), (157, 128706), (314, 64353), (471, 42902), (942, 21451), (1129, 17898), (2258, 8949), (2983, 6774), (3387, 5966)]