20555192

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15959}}^1$

素因数の和:15995

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 25409608

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15959, 31918, 63836, 111713, 127672, 223426, 367057, 446852, 734114, 893704, 1468228, 2569399, 2936456, 5138798, 10277596, 20555192]

約数ペア:

[(1, 20555192), (2, 10277596), (4, 5138798), (7, 2936456), (8, 2569399), (14, 1468228), (23, 893704), (28, 734114), (46, 446852), (56, 367057), (92, 223426), (161, 127672), (184, 111713), (322, 63836), (644, 31918), (1288, 15959)]