20727868

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5651}}^1$

素因数の和:5793

約数の個数: 24

約数和(自身を含む): 41779584

約数和(自身を除く): 21051716

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5651, 11302, 22604, 39557, 79114, 158228, 740281, 1480562, 2961124, 5181967, 10363934, 20727868]

約数ペア:

[(1, 20727868), (2, 10363934), (4, 5181967), (7, 2961124), (14, 1480562), (28, 740281), (131, 158228), (262, 79114), (524, 39557), (917, 22604), (1834, 11302), (3668, 5651)]