20199676

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5507}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 40715136

約数和(自身を除く): 20515460

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5507, 11014, 22028, 38549, 77098, 154196, 721417, 1442834, 2885668, 5049919, 10099838, 20199676]

約数ペア:

[(1, 20199676), (2, 10099838), (4, 5049919), (7, 2885668), (14, 1442834), (28, 721417), (131, 154196), (262, 77098), (524, 38549), (917, 22028), (1834, 11014), (3668, 5507)]