20166045878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{709}}^1\times {\mathrm{1871}}^1$

素因数の和:3284

約数の個数: 32

約数和(自身を含む): 33111037440

約数和(自身を除く): 12944991562

約数列:

[1, 2, 11, 22, 691, 709, 1382, 1418, 1871, 3742, 7601, 7799, 15202, 15598, 20581, 41162, 489919, 979838, 1292861, 1326539, 2585722, 2653078, 5389109, 10778218, 14221471, 14591929, 28442942, 29183858, 916638449, 1833276898, 10083022939, 20166045878]

約数ペア:

[(1, 20166045878), (2, 10083022939), (11, 1833276898), (22, 916638449), (691, 29183858), (709, 28442942), (1382, 14591929), (1418, 14221471), (1871, 10778218), (3742, 5389109), (7601, 2653078), (7799, 2585722), (15202, 1326539), (15598, 1292861), (20581, 979838), (41162, 489919)]