20716863

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1013}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 29349216

約数和(自身を除く): 8632353

約数列:

[1, 3, 17, 51, 401, 1013, 1203, 3039, 6817, 17221, 20451, 51663, 406213, 1218639, 6905621, 20716863]

約数ペア:

[(1, 20716863), (3, 6905621), (17, 1218639), (51, 406213), (401, 51663), (1013, 20451), (1203, 17221), (3039, 6817)]