20679164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1787}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 39650688

約数和(自身を除く): 18971524

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1787, 2893, 3574, 5786, 7148, 11572, 19657, 39314, 78628, 469981, 939962, 1879924, 5169791, 10339582, 20679164]

約数ペア:

[(1, 20679164), (2, 10339582), (4, 5169791), (11, 1879924), (22, 939962), (44, 469981), (263, 78628), (526, 39314), (1052, 19657), (1787, 11572), (2893, 7148), (3574, 5786)]