20342987

素因数分解:

$7^3\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:615

約数の個数: 16

約数和(自身を含む): 23961600

約数和(自身を除く): 3618613

約数列:

[1, 7, 49, 127, 343, 467, 889, 3269, 6223, 22883, 43561, 59309, 160181, 415163, 2906141, 20342987]

約数ペア:

[(1, 20342987), (7, 2906141), (49, 415163), (127, 160181), (343, 59309), (467, 43561), (889, 22883), (3269, 6223)]