20956734

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2113}}^1$

素因数の和:2169

約数の個数: 48

約数和(自身を含む): 49467600

約数和(自身を除く): 28510866

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 2113, 3306, 4226, 4959, 6339, 9918, 12678, 19017, 38034, 40147, 61277, 80294, 120441, 122554, 183831, 240882, 361323, 367662, 551493, 722646, 1102986, 1164263, 2328526, 3492789, 6985578, 10478367, 20956734]

約数ペア:

[(1, 20956734), (2, 10478367), (3, 6985578), (6, 3492789), (9, 2328526), (18, 1164263), (19, 1102986), (29, 722646), (38, 551493), (57, 367662), (58, 361323), (87, 240882), (114, 183831), (171, 122554), (174, 120441), (261, 80294), (342, 61277), (522, 40147), (551, 38034), (1102, 19017), (1653, 12678), (2113, 9918), (3306, 6339), (4226, 4959)]