20831116

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 37890720

約数和(自身を除く): 17059604

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 1789, 2911, 3578, 5822, 7156, 11644, 73349, 127019, 146698, 254038, 293396, 508076, 5207779, 10415558, 20831116]

約数ペア:

[(1, 20831116), (2, 10415558), (4, 5207779), (41, 508076), (71, 293396), (82, 254038), (142, 146698), (164, 127019), (284, 73349), (1789, 11644), (2911, 7156), (3578, 5822)]