20527208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6367}}^1$

素因数の和:6417

約数の個数: 32

約数和(自身を含む): 42792960

約数和(自身を除く): 22265752

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6367, 12734, 25468, 50936, 82771, 165542, 197377, 331084, 394754, 662168, 789508, 1579016, 2565901, 5131802, 10263604, 20527208]

約数ペア:

[(1, 20527208), (2, 10263604), (4, 5131802), (8, 2565901), (13, 1579016), (26, 789508), (31, 662168), (52, 394754), (62, 331084), (104, 197377), (124, 165542), (248, 82771), (403, 50936), (806, 25468), (1612, 12734), (3224, 6367)]