20974866

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 46654272

約数和(自身を除く): 25679406

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 167, 173, 242, 334, 346, 363, 501, 519, 726, 1002, 1038, 1837, 1903, 3674, 3806, 5511, 5709, 11022, 11418, 20207, 20933, 28891, 40414, 41866, 57782, 60621, 62799, 86673, 121242, 125598, 173346, 317801, 635602, 953403, 1906806, 3495811, 6991622, 10487433, 20974866]

約数ペア:

[(1, 20974866), (2, 10487433), (3, 6991622), (6, 3495811), (11, 1906806), (22, 953403), (33, 635602), (66, 317801), (121, 173346), (167, 125598), (173, 121242), (242, 86673), (334, 62799), (346, 60621), (363, 57782), (501, 41866), (519, 40414), (726, 28891), (1002, 20933), (1038, 20207), (1837, 11418), (1903, 11022), (3674, 5709), (3806, 5511)]