20566884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131839}}^1$

素因数の和:131859

約数の個数: 24

約数和(自身を含む): 51681280

約数和(自身を除く): 31114396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131839, 263678, 395517, 527356, 791034, 1582068, 1713907, 3427814, 5141721, 6855628, 10283442, 20566884]

約数ペア:

[(1, 20566884), (2, 10283442), (3, 6855628), (4, 5141721), (6, 3427814), (12, 1713907), (13, 1582068), (26, 791034), (39, 527356), (52, 395517), (78, 263678), (156, 131839)]