20817758

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3623}}^1$

素因数の和:3668

約数の個数: 24

約数和(自身を含む): 35812368

約数和(自身を除く): 14994610

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 3623, 5746, 7246, 47099, 61591, 94198, 123182, 612287, 800683, 1224574, 1601366, 10408879, 20817758]

約数ペア:

[(1, 20817758), (2, 10408879), (13, 1601366), (17, 1224574), (26, 800683), (34, 612287), (169, 123182), (221, 94198), (338, 61591), (442, 47099), (2873, 7246), (3623, 5746)]