20458207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5653}}^1$

素因数の和:5718

約数の個数: 16

約数和(自身を含む): 26053632

約数和(自身を除く): 5595425

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5653, 39571, 62183, 265691, 435281, 1859837, 2922601, 20458207]

約数ペア:

[(1, 20458207), (7, 2922601), (11, 1859837), (47, 435281), (77, 265691), (329, 62183), (517, 39571), (3619, 5653)]