20548356997

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{422797}}^1$

素因数の和:422988

約数の個数: 16

約数和(自身を含む): 24109633152

約数和(自身を除く): 3561276155

約数列:

[1, 7, 53, 131, 371, 917, 6943, 48601, 422797, 2959579, 22408241, 55386407, 156857687, 387704849, 2935479571, 20548356997]

約数ペア:

[(1, 20548356997), (7, 2935479571), (53, 387704849), (131, 156857687), (371, 55386407), (917, 22408241), (6943, 2959579), (48601, 422797)]