20346638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4801}}^1$

素因数の和:4979

約数の個数: 16

約数和(自身を含む): 33076176

約数和(自身を除く): 12729538

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 4801, 9602, 62413, 124826, 782563, 1565126, 10173319, 20346638]

約数ペア:

[(1, 20346638), (2, 10173319), (13, 1565126), (26, 782563), (163, 124826), (326, 62413), (2119, 9602), (4238, 4801)]